Home / 1,031,129.01-1,546,864.83-432,135.23

Finding the Fourth Proportional to 1,031,129.01, 1,546,864.83 and 432,135.23

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Solution

The fourth proportional to 1,031,129.01, 1,546,864.83 and 432,135.23 is: 648,274.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,129.01 : 1,546,864.83 = 432,135.23 : x
  2. Step 2: Convert to fraction form
    1,031,129.01/1,546,864.83 = 432,135.23/x
  3. Step 3: Cross multiply
    1,031,129.01x = 1,546,864.83 × 432,135.23
  4. Step 4: Simplify right side
    1,031,129.01x = 668,454,781,356.64
  5. Step 5: Solve for x
    x = 668,454,781,356.64/1,031,129.01
  6. Step 6: Final answer
    x = 648,274.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.