Home / 1,232,001.91-1,700,144.40-688,145.59

Finding the Fourth Proportional to 1,232,001.91, 1,700,144.40 and 688,145.59

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Solution

The fourth proportional to 1,232,001.91, 1,700,144.40 and 688,145.59 is: 949,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,001.91 : 1,700,144.40 = 688,145.59 : x
  2. Step 2: Convert to fraction form
    1,232,001.91/1,700,144.40 = 688,145.59/x
  3. Step 3: Cross multiply
    1,232,001.91x = 1,700,144.40 × 688,145.59
  4. Step 4: Simplify right side
    1,232,001.91x = 1,169,946,871,223.20
  5. Step 5: Solve for x
    x = 1,169,946,871,223.20/1,232,001.91
  6. Step 6: Final answer
    x = 949,630.73

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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.