Home / 851,071.86-1,174,465.17-469,134.18

Finding the Fourth Proportional to 851,071.86, 1,174,465.17 and 469,134.18

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Solution

The fourth proportional to 851,071.86, 1,174,465.17 and 469,134.18 is: 647,397.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,071.86 : 1,174,465.17 = 469,134.18 : x
  2. Step 2: Convert to fraction form
    851,071.86/1,174,465.17 = 469,134.18/x
  3. Step 3: Cross multiply
    851,071.86x = 1,174,465.17 × 469,134.18
  4. Step 4: Simplify right side
    851,071.86x = 550,981,754,466.51
  5. Step 5: Solve for x
    x = 550,981,754,466.51/851,071.86
  6. Step 6: Final answer
    x = 647,397.45

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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.