Home / 1,006,816.55-1,389,439.10-577,178.15

Finding the Fourth Proportional to 1,006,816.55, 1,389,439.10 and 577,178.15

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Solution

The fourth proportional to 1,006,816.55, 1,389,439.10 and 577,178.15 is: 796,524.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,816.55 : 1,389,439.10 = 577,178.15 : x
  2. Step 2: Convert to fraction form
    1,006,816.55/1,389,439.10 = 577,178.15/x
  3. Step 3: Cross multiply
    1,006,816.55x = 1,389,439.10 × 577,178.15
  4. Step 4: Simplify right side
    1,006,816.55x = 801,953,889,275.67
  5. Step 5: Solve for x
    x = 801,953,889,275.67/1,006,816.55
  6. Step 6: Final answer
    x = 796,524.34

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.