Home / 987,957.33-1,363,386.74-535,248.33

Finding the Fourth Proportional to 987,957.33, 1,363,386.74 and 535,248.33

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Solution

The fourth proportional to 987,957.33, 1,363,386.74 and 535,248.33 is: 738,645.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,957.33 : 1,363,386.74 = 535,248.33 : x
  2. Step 2: Convert to fraction form
    987,957.33/1,363,386.74 = 535,248.33/x
  3. Step 3: Cross multiply
    987,957.33x = 1,363,386.74 × 535,248.33
  4. Step 4: Simplify right side
    987,957.33x = 729,750,473,052.90
  5. Step 5: Solve for x
    x = 729,750,473,052.90/987,957.33
  6. Step 6: Final answer
    x = 738,645.74

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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.