Home / 836,520.63-1,154,405.39-454,547.41

Finding the Fourth Proportional to 836,520.63, 1,154,405.39 and 454,547.41

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Solution

The fourth proportional to 836,520.63, 1,154,405.39 and 454,547.41 is: 627,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,520.63 : 1,154,405.39 = 454,547.41 : x
  2. Step 2: Convert to fraction form
    836,520.63/1,154,405.39 = 454,547.41/x
  3. Step 3: Cross multiply
    836,520.63x = 1,154,405.39 × 454,547.41
  4. Step 4: Simplify right side
    836,520.63x = 524,731,983,000.55
  5. Step 5: Solve for x
    x = 524,731,983,000.55/836,520.63
  6. Step 6: Final answer
    x = 627,279.19

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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.