Home / 578,438.10-867,657.15-566,628.30

Finding the Fourth Proportional to 578,438.10, 867,657.15 and 566,628.30

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Solution

The fourth proportional to 578,438.10, 867,657.15 and 566,628.30 is: 849,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,438.10 : 867,657.15 = 566,628.30 : x
  2. Step 2: Convert to fraction form
    578,438.10/867,657.15 = 566,628.30/x
  3. Step 3: Cross multiply
    578,438.10x = 867,657.15 × 566,628.30
  4. Step 4: Simplify right side
    578,438.10x = 491,639,095,887.35
  5. Step 5: Solve for x
    x = 491,639,095,887.35/578,438.10
  6. Step 6: Final answer
    x = 849,942.45

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.