Home / 782,715.59-1,080,665.65-601,101.64

Finding the Fourth Proportional to 782,715.59, 1,080,665.65 and 601,101.64

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Solution

The fourth proportional to 782,715.59, 1,080,665.65 and 601,101.64 is: 829,918.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,715.59 : 1,080,665.65 = 601,101.64 : x
  2. Step 2: Convert to fraction form
    782,715.59/1,080,665.65 = 601,101.64/x
  3. Step 3: Cross multiply
    782,715.59x = 1,080,665.65 × 601,101.64
  4. Step 4: Simplify right side
    782,715.59x = 649,589,894,506.67
  5. Step 5: Solve for x
    x = 649,589,894,506.67/782,715.59
  6. Step 6: Final answer
    x = 829,918.18

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Half scale
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Double scale
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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.