Home / 934,970.40-1,290,372.80-527,150.79

Finding the Fourth Proportional to 934,970.40, 1,290,372.80 and 527,150.79

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Solution

The fourth proportional to 934,970.40, 1,290,372.80 and 527,150.79 is: 727,532.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,970.40 : 1,290,372.80 = 527,150.79 : x
  2. Step 2: Convert to fraction form
    934,970.40/1,290,372.80 = 527,150.79/x
  3. Step 3: Cross multiply
    934,970.40x = 1,290,372.80 × 527,150.79
  4. Step 4: Simplify right side
    934,970.40x = 680,221,038,278.76
  5. Step 5: Solve for x
    x = 680,221,038,278.76/934,970.40
  6. Step 6: Final answer
    x = 727,532.16

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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.