Home / 623,294.70-935,379.45-399,200.10

Finding the Fourth Proportional to 623,294.70, 935,379.45 and 399,200.10

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Solution

The fourth proportional to 623,294.70, 935,379.45 and 399,200.10 is: 599,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,294.70 : 935,379.45 = 399,200.10 : x
  2. Step 2: Convert to fraction form
    623,294.70/935,379.45 = 399,200.10/x
  3. Step 3: Cross multiply
    623,294.70x = 935,379.45 × 399,200.10
  4. Step 4: Simplify right side
    623,294.70x = 373,403,569,977.95
  5. Step 5: Solve for x
    x = 373,403,569,977.95/623,294.70
  6. Step 6: Final answer
    x = 599,080.29

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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.