Home / 918,204.19-1,377,385.66-253,356.19

Finding the Fourth Proportional to 918,204.19, 1,377,385.66 and 253,356.19

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Solution

The fourth proportional to 918,204.19, 1,377,385.66 and 253,356.19 is: 380,056.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,204.19 : 1,377,385.66 = 253,356.19 : x
  2. Step 2: Convert to fraction form
    918,204.19/1,377,385.66 = 253,356.19/x
  3. Step 3: Cross multiply
    918,204.19x = 1,377,385.66 × 253,356.19
  4. Step 4: Simplify right side
    918,204.19x = 348,969,179,851.47
  5. Step 5: Solve for x
    x = 348,969,179,851.47/918,204.19
  6. Step 6: Final answer
    x = 380,056.18

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Double scale
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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.