Home / 1,035,436.89-1,553,261.38-396,278.17

Finding the Fourth Proportional to 1,035,436.89, 1,553,261.38 and 396,278.17

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Solution

The fourth proportional to 1,035,436.89, 1,553,261.38 and 396,278.17 is: 594,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,436.89 : 1,553,261.38 = 396,278.17 : x
  2. Step 2: Convert to fraction form
    1,035,436.89/1,553,261.38 = 396,278.17/x
  3. Step 3: Cross multiply
    1,035,436.89x = 1,553,261.38 × 396,278.17
  4. Step 4: Simplify right side
    1,035,436.89x = 615,523,572,324.23
  5. Step 5: Solve for x
    x = 615,523,572,324.23/1,035,436.89
  6. Step 6: Final answer
    x = 594,457.84

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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.