Home / 1,170,897.60-1,615,817.64-661,589.04

Finding the Fourth Proportional to 1,170,897.60, 1,615,817.64 and 661,589.04

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Solution

The fourth proportional to 1,170,897.60, 1,615,817.64 and 661,589.04 is: 912,980.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,897.60 : 1,615,817.64 = 661,589.04 : x
  2. Step 2: Convert to fraction form
    1,170,897.60/1,615,817.64 = 661,589.04/x
  3. Step 3: Cross multiply
    1,170,897.60x = 1,615,817.64 × 661,589.04
  4. Step 4: Simplify right side
    1,170,897.60x = 1,069,007,241,262.67
  5. Step 5: Solve for x
    x = 1,069,007,241,262.67/1,170,897.60
  6. Step 6: Final answer
    x = 912,980.98

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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.