Home / 953,074.31-1,315,265.51-517,510.17

Finding the Fourth Proportional to 953,074.31, 1,315,265.51 and 517,510.17

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Solution

The fourth proportional to 953,074.31, 1,315,265.51 and 517,510.17 is: 714,176.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,074.31 : 1,315,265.51 = 517,510.17 : x
  2. Step 2: Convert to fraction form
    953,074.31/1,315,265.51 = 517,510.17/x
  3. Step 3: Cross multiply
    953,074.31x = 1,315,265.51 × 517,510.17
  4. Step 4: Simplify right side
    953,074.31x = 680,663,278,969.01
  5. Step 5: Solve for x
    x = 680,663,278,969.01/953,074.31
  6. Step 6: Final answer
    x = 714,176.51

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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.