Home / 972,542.70-1,456,955.10-523,114.20

Finding the Fourth Proportional to 972,542.70, 1,456,955.10 and 523,114.20

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Solution

The fourth proportional to 972,542.70, 1,456,955.10 and 523,114.20 is: 783,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,542.70 : 1,456,955.10 = 523,114.20 : x
  2. Step 2: Convert to fraction form
    972,542.70/1,456,955.10 = 523,114.20/x
  3. Step 3: Cross multiply
    972,542.70x = 1,456,955.10 × 523,114.20
  4. Step 4: Simplify right side
    972,542.70x = 762,153,901,572.42
  5. Step 5: Solve for x
    x = 762,153,901,572.42/972,542.70
  6. Step 6: Final answer
    x = 783,671.40

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Double scale
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Similar ratio
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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.