Home / 772,417.38-1,065,877.20-432,820.02

Finding the Fourth Proportional to 772,417.38, 1,065,877.20 and 432,820.02

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Solution

The fourth proportional to 772,417.38, 1,065,877.20 and 432,820.02 is: 597,258.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,417.38 : 1,065,877.20 = 432,820.02 : x
  2. Step 2: Convert to fraction form
    772,417.38/1,065,877.20 = 432,820.02/x
  3. Step 3: Cross multiply
    772,417.38x = 1,065,877.20 × 432,820.02
  4. Step 4: Simplify right side
    772,417.38x = 461,332,991,021.54
  5. Step 5: Solve for x
    x = 461,332,991,021.54/772,417.38
  6. Step 6: Final answer
    x = 597,258.69

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1.5x scale

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.