Home / 783,451.11-1,175,345.85-243,697.11

Finding the Fourth Proportional to 783,451.11, 1,175,345.85 and 243,697.11

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Solution

The fourth proportional to 783,451.11, 1,175,345.85 and 243,697.11 is: 365,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,451.11 : 1,175,345.85 = 243,697.11 : x
  2. Step 2: Convert to fraction form
    783,451.11/1,175,345.85 = 243,697.11/x
  3. Step 3: Cross multiply
    783,451.11x = 1,175,345.85 × 243,697.11
  4. Step 4: Simplify right side
    783,451.11x = 286,428,386,895.49
  5. Step 5: Solve for x
    x = 286,428,386,895.49/783,451.11
  6. Step 6: Final answer
    x = 365,598.29

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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.