Home / 804,934.10-1,207,401.15-385,030.10

Finding the Fourth Proportional to 804,934.10, 1,207,401.15 and 385,030.10

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Solution

The fourth proportional to 804,934.10, 1,207,401.15 and 385,030.10 is: 577,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,934.10 : 1,207,401.15 = 385,030.10 : x
  2. Step 2: Convert to fraction form
    804,934.10/1,207,401.15 = 385,030.10/x
  3. Step 3: Cross multiply
    804,934.10x = 1,207,401.15 × 385,030.10
  4. Step 4: Simplify right side
    804,934.10x = 464,885,785,524.62
  5. Step 5: Solve for x
    x = 464,885,785,524.62/804,934.10
  6. Step 6: Final answer
    x = 577,545.15

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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.