Home / 933,143.40-1,399,715.10-917,591.40

Finding the Fourth Proportional to 933,143.40, 1,399,715.10 and 917,591.40

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Solution

The fourth proportional to 933,143.40, 1,399,715.10 and 917,591.40 is: 1,376,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,143.40 : 1,399,715.10 = 917,591.40 : x
  2. Step 2: Convert to fraction form
    933,143.40/1,399,715.10 = 917,591.40/x
  3. Step 3: Cross multiply
    933,143.40x = 1,399,715.10 × 917,591.40
  4. Step 4: Simplify right side
    933,143.40x = 1,284,366,538,210.14
  5. Step 5: Solve for x
    x = 1,284,366,538,210.14/933,143.40
  6. Step 6: Final answer
    x = 1,376,387.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.