Home / 692,429.60-1,038,644.40-574,234.40

Finding the Fourth Proportional to 692,429.60, 1,038,644.40 and 574,234.40

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Solution

The fourth proportional to 692,429.60, 1,038,644.40 and 574,234.40 is: 861,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,429.60 : 1,038,644.40 = 574,234.40 : x
  2. Step 2: Convert to fraction form
    692,429.60/1,038,644.40 = 574,234.40/x
  3. Step 3: Cross multiply
    692,429.60x = 1,038,644.40 × 574,234.40
  4. Step 4: Simplify right side
    692,429.60x = 596,425,343,847.36
  5. Step 5: Solve for x
    x = 596,425,343,847.36/692,429.60
  6. Step 6: Final answer
    x = 861,351.60

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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.