Home / 783,048.30-1,174,572.45-615,086.70

Finding the Fourth Proportional to 783,048.30, 1,174,572.45 and 615,086.70

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Solution

The fourth proportional to 783,048.30, 1,174,572.45 and 615,086.70 is: 922,630.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,048.30 : 1,174,572.45 = 615,086.70 : x
  2. Step 2: Convert to fraction form
    783,048.30/1,174,572.45 = 615,086.70/x
  3. Step 3: Cross multiply
    783,048.30x = 1,174,572.45 × 615,086.70
  4. Step 4: Simplify right side
    783,048.30x = 722,463,892,181.42
  5. Step 5: Solve for x
    x = 722,463,892,181.42/783,048.30
  6. Step 6: Final answer
    x = 922,630.05

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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.