Home / 754,809.34-1,041,639.37-410,645.19

Finding the Fourth Proportional to 754,809.34, 1,041,639.37 and 410,645.19

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Solution

The fourth proportional to 754,809.34, 1,041,639.37 and 410,645.19 is: 566,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,809.34 : 1,041,639.37 = 410,645.19 : x
  2. Step 2: Convert to fraction form
    754,809.34/1,041,639.37 = 410,645.19/x
  3. Step 3: Cross multiply
    754,809.34x = 1,041,639.37 × 410,645.19
  4. Step 4: Simplify right side
    754,809.34x = 427,744,195,978.52
  5. Step 5: Solve for x
    x = 427,744,195,978.52/754,809.34
  6. Step 6: Final answer
    x = 566,691.71

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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.