Home / 1,170,901.71-1,615,823.28-661,593.15

Finding the Fourth Proportional to 1,170,901.71, 1,615,823.28 and 661,593.15

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Solution

The fourth proportional to 1,170,901.71, 1,615,823.28 and 661,593.15 is: 912,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,901.71 : 1,615,823.28 = 661,593.15 : x
  2. Step 2: Convert to fraction form
    1,170,901.71/1,615,823.28 = 661,593.15/x
  3. Step 3: Cross multiply
    1,170,901.71x = 1,615,823.28 × 661,593.15
  4. Step 4: Simplify right side
    1,170,901.71x = 1,069,017,613,658.53
  5. Step 5: Solve for x
    x = 1,069,017,613,658.53/1,170,901.71
  6. Step 6: Final answer
    x = 912,986.64

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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.