Home / 885,308.54-1,221,573.45-498,070.11

Finding the Fourth Proportional to 885,308.54, 1,221,573.45 and 498,070.11

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Solution

The fourth proportional to 885,308.54, 1,221,573.45 and 498,070.11 is: 687,251.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,308.54 : 1,221,573.45 = 498,070.11 : x
  2. Step 2: Convert to fraction form
    885,308.54/1,221,573.45 = 498,070.11/x
  3. Step 3: Cross multiply
    885,308.54x = 1,221,573.45 × 498,070.11
  4. Step 4: Simplify right side
    885,308.54x = 608,429,229,063.24
  5. Step 5: Solve for x
    x = 608,429,229,063.24/885,308.54
  6. Step 6: Final answer
    x = 687,251.06

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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.