Home / 822,113.92-1,134,661.59-478,056.31

Finding the Fourth Proportional to 822,113.92, 1,134,661.59 and 478,056.31

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Solution

The fourth proportional to 822,113.92, 1,134,661.59 and 478,056.31 is: 659,801.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,113.92 : 1,134,661.59 = 478,056.31 : x
  2. Step 2: Convert to fraction form
    822,113.92/1,134,661.59 = 478,056.31/x
  3. Step 3: Cross multiply
    822,113.92x = 1,134,661.59 × 478,056.31
  4. Step 4: Simplify right side
    822,113.92x = 542,432,132,814.13
  5. Step 5: Solve for x
    x = 542,432,132,814.13/822,113.92
  6. Step 6: Final answer
    x = 659,801.66

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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.