Home / 1,170,897.96-1,615,818.12-661,589.40

Finding the Fourth Proportional to 1,170,897.96, 1,615,818.12 and 661,589.40

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Solution

The fourth proportional to 1,170,897.96, 1,615,818.12 and 661,589.40 is: 912,981.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,897.96 : 1,615,818.12 = 661,589.40 : x
  2. Step 2: Convert to fraction form
    1,170,897.96/1,615,818.12 = 661,589.40/x
  3. Step 3: Cross multiply
    1,170,897.96x = 1,615,818.12 × 661,589.40
  4. Step 4: Simplify right side
    1,170,897.96x = 1,069,008,140,519.93
  5. Step 5: Solve for x
    x = 1,069,008,140,519.93/1,170,897.96
  6. Step 6: Final answer
    x = 912,981.47

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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.