Home / 836,520.88-1,154,405.74-454,547.66

Finding the Fourth Proportional to 836,520.88, 1,154,405.74 and 454,547.66

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Solution

The fourth proportional to 836,520.88, 1,154,405.74 and 454,547.66 is: 627,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,520.88 : 1,154,405.74 = 454,547.66 : x
  2. Step 2: Convert to fraction form
    836,520.88/1,154,405.74 = 454,547.66/x
  3. Step 3: Cross multiply
    836,520.88x = 1,154,405.74 × 454,547.66
  4. Step 4: Simplify right side
    836,520.88x = 524,732,425,534.83
  5. Step 5: Solve for x
    x = 524,732,425,534.83/836,520.88
  6. Step 6: Final answer
    x = 627,279.53

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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.