Home / 825,683.76-1,139,685.48-539,248.32

Finding the Fourth Proportional to 825,683.76, 1,139,685.48 and 539,248.32

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Solution

The fourth proportional to 825,683.76, 1,139,685.48 and 539,248.32 is: 744,320.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,683.76 : 1,139,685.48 = 539,248.32 : x
  2. Step 2: Convert to fraction form
    825,683.76/1,139,685.48 = 539,248.32/x
  3. Step 3: Cross multiply
    825,683.76x = 1,139,685.48 × 539,248.32
  4. Step 4: Simplify right side
    825,683.76x = 614,573,480,418.39
  5. Step 5: Solve for x
    x = 614,573,480,418.39/825,683.76
  6. Step 6: Final answer
    x = 744,320.66

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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.