Home / 972,191.54-1,342,128.76-710,253.08

Finding the Fourth Proportional to 972,191.54, 1,342,128.76 and 710,253.08

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Solution

The fourth proportional to 972,191.54, 1,342,128.76 and 710,253.08 is: 980,517.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,191.54 : 1,342,128.76 = 710,253.08 : x
  2. Step 2: Convert to fraction form
    972,191.54/1,342,128.76 = 710,253.08/x
  3. Step 3: Cross multiply
    972,191.54x = 1,342,128.76 × 710,253.08
  4. Step 4: Simplify right side
    972,191.54x = 953,251,085,546.58
  5. Step 5: Solve for x
    x = 953,251,085,546.58/972,191.54
  6. Step 6: Final answer
    x = 980,517.77

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Double scale
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1.5x scale

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.