Home / 1,170,416.30-1,615,273.95-661,212.14

Finding the Fourth Proportional to 1,170,416.30, 1,615,273.95 and 661,212.14

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Solution

The fourth proportional to 1,170,416.30, 1,615,273.95 and 661,212.14 is: 912,528.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,416.30 : 1,615,273.95 = 661,212.14 : x
  2. Step 2: Convert to fraction form
    1,170,416.30/1,615,273.95 = 661,212.14/x
  3. Step 3: Cross multiply
    1,170,416.30x = 1,615,273.95 × 661,212.14
  4. Step 4: Simplify right side
    1,170,416.30x = 1,068,038,745,165.75
  5. Step 5: Solve for x
    x = 1,068,038,745,165.75/1,170,416.30
  6. Step 6: Final answer
    x = 912,528.94

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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.