Home / 711,122.40-1,065,128.40-552,103.20

Finding the Fourth Proportional to 711,122.40, 1,065,128.40 and 552,103.20

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Solution

The fourth proportional to 711,122.40, 1,065,128.40 and 552,103.20 is: 826,947.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,122.40 : 1,065,128.40 = 552,103.20 : x
  2. Step 2: Convert to fraction form
    711,122.40/1,065,128.40 = 552,103.20/x
  3. Step 3: Cross multiply
    711,122.40x = 1,065,128.40 × 552,103.20
  4. Step 4: Simplify right side
    711,122.40x = 588,060,798,050.88
  5. Step 5: Solve for x
    x = 588,060,798,050.88/711,122.40
  6. Step 6: Final answer
    x = 826,947.37

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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.