Home / 738,048.49-1,018,517.15-411,352.45

Finding the Fourth Proportional to 738,048.49, 1,018,517.15 and 411,352.45

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Solution

The fourth proportional to 738,048.49, 1,018,517.15 and 411,352.45 is: 567,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,048.49 : 1,018,517.15 = 411,352.45 : x
  2. Step 2: Convert to fraction form
    738,048.49/1,018,517.15 = 411,352.45/x
  3. Step 3: Cross multiply
    738,048.49x = 1,018,517.15 × 411,352.45
  4. Step 4: Simplify right side
    738,048.49x = 418,969,523,501.61
  5. Step 5: Solve for x
    x = 418,969,523,501.61/738,048.49
  6. Step 6: Final answer
    x = 567,672.08

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.