Home / 836,521.79-1,154,407.37-454,548.56

Finding the Fourth Proportional to 836,521.79, 1,154,407.37 and 454,548.56

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Solution

The fourth proportional to 836,521.79, 1,154,407.37 and 454,548.56 is: 627,280.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,521.79 : 1,154,407.37 = 454,548.56 : x
  2. Step 2: Convert to fraction form
    836,521.79/1,154,407.37 = 454,548.56/x
  3. Step 3: Cross multiply
    836,521.79x = 1,154,407.37 × 454,548.56
  4. Step 4: Simplify right side
    836,521.79x = 524,734,207,686.89
  5. Step 5: Solve for x
    x = 524,734,207,686.89/836,521.79
  6. Step 6: Final answer
    x = 627,280.98

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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.