Home / 953,572.40-1,315,915.36-517,987.61

Finding the Fourth Proportional to 953,572.40, 1,315,915.36 and 517,987.61

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Solution

The fourth proportional to 953,572.40, 1,315,915.36 and 517,987.61 is: 714,815.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,572.40 : 1,315,915.36 = 517,987.61 : x
  2. Step 2: Convert to fraction form
    953,572.40/1,315,915.36 = 517,987.61/x
  3. Step 3: Cross multiply
    953,572.40x = 1,315,915.36 × 517,987.61
  4. Step 4: Simplify right side
    953,572.40x = 681,627,852,288.69
  5. Step 5: Solve for x
    x = 681,627,852,288.69/953,572.40
  6. Step 6: Final answer
    x = 714,815.00

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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.