Home / 847,678.23-1,169,277.12-503,280.54

Finding the Fourth Proportional to 847,678.23, 1,169,277.12 and 503,280.54

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Solution

The fourth proportional to 847,678.23, 1,169,277.12 and 503,280.54 is: 694,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,678.23 : 1,169,277.12 = 503,280.54 : x
  2. Step 2: Convert to fraction form
    847,678.23/1,169,277.12 = 503,280.54/x
  3. Step 3: Cross multiply
    847,678.23x = 1,169,277.12 × 503,280.54
  4. Step 4: Simplify right side
    847,678.23x = 588,474,420,363.25
  5. Step 5: Solve for x
    x = 588,474,420,363.25/847,678.23
  6. Step 6: Final answer
    x = 694,219.10

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Double scale
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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.