Home / 836,520.41-1,154,405.47-454,547.18

Finding the Fourth Proportional to 836,520.41, 1,154,405.47 and 454,547.18

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Solution

The fourth proportional to 836,520.41, 1,154,405.47 and 454,547.18 is: 627,279.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,520.41 : 1,154,405.47 = 454,547.18 : x
  2. Step 2: Convert to fraction form
    836,520.41/1,154,405.47 = 454,547.18/x
  3. Step 3: Cross multiply
    836,520.41x = 1,154,405.47 × 454,547.18
  4. Step 4: Simplify right side
    836,520.41x = 524,731,750,965.08
  5. Step 5: Solve for x
    x = 524,731,750,965.08/836,520.41
  6. Step 6: Final answer
    x = 627,279.08

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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.