Home / 828,160.69-1,142,854.88-465,586.17

Finding the Fourth Proportional to 828,160.69, 1,142,854.88 and 465,586.17

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Solution

The fourth proportional to 828,160.69, 1,142,854.88 and 465,586.17 is: 642,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,160.69 : 1,142,854.88 = 465,586.17 : x
  2. Step 2: Convert to fraction form
    828,160.69/1,142,854.88 = 465,586.17/x
  3. Step 3: Cross multiply
    828,160.69x = 1,142,854.88 × 465,586.17
  4. Step 4: Simplify right side
    828,160.69x = 532,097,426,445.01
  5. Step 5: Solve for x
    x = 532,097,426,445.01/828,160.69
  6. Step 6: Final answer
    x = 642,505.05

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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.