Home / 566,000.48-849,000.68-387,967.76

Finding the Fourth Proportional to 566,000.48, 849,000.68 and 387,967.76

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Solution

The fourth proportional to 566,000.48, 849,000.68 and 387,967.76 is: 581,951.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,000.48 : 849,000.68 = 387,967.76 : x
  2. Step 2: Convert to fraction form
    566,000.48/849,000.68 = 387,967.76/x
  3. Step 3: Cross multiply
    566,000.48x = 849,000.68 × 387,967.76
  4. Step 4: Simplify right side
    566,000.48x = 329,384,892,058.08
  5. Step 5: Solve for x
    x = 329,384,892,058.08/566,000.48
  6. Step 6: Final answer
    x = 581,951.61

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Half scale
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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.