Home / 926,008.30-1,389,012.45-527,427.55

Finding the Fourth Proportional to 926,008.30, 1,389,012.45 and 527,427.55

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Solution

The fourth proportional to 926,008.30, 1,389,012.45 and 527,427.55 is: 791,141.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,008.30 : 1,389,012.45 = 527,427.55 : x
  2. Step 2: Convert to fraction form
    926,008.30/1,389,012.45 = 527,427.55/x
  3. Step 3: Cross multiply
    926,008.30x = 1,389,012.45 × 527,427.55
  4. Step 4: Simplify right side
    926,008.30x = 732,603,433,423.00
  5. Step 5: Solve for x
    x = 732,603,433,423.00/926,008.30
  6. Step 6: Final answer
    x = 791,141.33

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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.