Home / 953,389.60-1,315,687.14-517,815.46

Finding the Fourth Proportional to 953,389.60, 1,315,687.14 and 517,815.46

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Solution

The fourth proportional to 953,389.60, 1,315,687.14 and 517,815.46 is: 714,590.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,389.60 : 1,315,687.14 = 517,815.46 : x
  2. Step 2: Convert to fraction form
    953,389.60/1,315,687.14 = 517,815.46/x
  3. Step 3: Cross multiply
    953,389.60x = 1,315,687.14 × 517,815.46
  4. Step 4: Simplify right side
    953,389.60x = 681,283,141,615.18
  5. Step 5: Solve for x
    x = 681,283,141,615.18/953,389.60
  6. Step 6: Final answer
    x = 714,590.49

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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.