Home / 1,354,275.84-1,868,895.36-742,432

Finding the Fourth Proportional to 1,354,275.84, 1,868,895.36 and 742,432

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Solution

The fourth proportional to 1,354,275.84, 1,868,895.36 and 742,432 is: 1,024,553.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,275.84 : 1,868,895.36 = 742,432 : x
  2. Step 2: Convert to fraction form
    1,354,275.84/1,868,895.36 = 742,432/x
  3. Step 3: Cross multiply
    1,354,275.84x = 1,868,895.36 × 742,432
  4. Step 4: Simplify right side
    1,354,275.84x = 1,387,527,719,915.52
  5. Step 5: Solve for x
    x = 1,387,527,719,915.52/1,354,275.84
  6. Step 6: Final answer
    x = 1,024,553.25

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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.