Home / 926,139.60-1,390,084.20-571,845.60

Finding the Fourth Proportional to 926,139.60, 1,390,084.20 and 571,845.60

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Solution

The fourth proportional to 926,139.60, 1,390,084.20 and 571,845.60 is: 858,308.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,139.60 : 1,390,084.20 = 571,845.60 : x
  2. Step 2: Convert to fraction form
    926,139.60/1,390,084.20 = 571,845.60/x
  3. Step 3: Cross multiply
    926,139.60x = 1,390,084.20 × 571,845.60
  4. Step 4: Simplify right side
    926,139.60x = 794,913,533,399.52
  5. Step 5: Solve for x
    x = 794,913,533,399.52/926,139.60
  6. Step 6: Final answer
    x = 858,308.55

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1.5x scale

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.