Home / 869,695.51-1,200,236.57-502,188.15

Finding the Fourth Proportional to 869,695.51, 1,200,236.57 and 502,188.15

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Solution

The fourth proportional to 869,695.51, 1,200,236.57 and 502,188.15 is: 693,052.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,695.51 : 1,200,236.57 = 502,188.15 : x
  2. Step 2: Convert to fraction form
    869,695.51/1,200,236.57 = 502,188.15/x
  3. Step 3: Cross multiply
    869,695.51x = 1,200,236.57 × 502,188.15
  4. Step 4: Simplify right side
    869,695.51x = 602,744,580,139.71
  5. Step 5: Solve for x
    x = 602,744,580,139.71/869,695.51
  6. Step 6: Final answer
    x = 693,052.42

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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.