Home / 644,748.80-967,123.20-549,363.20

Finding the Fourth Proportional to 644,748.80, 967,123.20 and 549,363.20

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Solution

The fourth proportional to 644,748.80, 967,123.20 and 549,363.20 is: 824,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,748.80 : 967,123.20 = 549,363.20 : x
  2. Step 2: Convert to fraction form
    644,748.80/967,123.20 = 549,363.20/x
  3. Step 3: Cross multiply
    644,748.80x = 967,123.20 × 549,363.20
  4. Step 4: Simplify right side
    644,748.80x = 531,301,895,946.24
  5. Step 5: Solve for x
    x = 531,301,895,946.24/644,748.80
  6. Step 6: Final answer
    x = 824,044.80

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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.