Home / 772,425.92-1,065,991.50-432,916.04

Finding the Fourth Proportional to 772,425.92, 1,065,991.50 and 432,916.04

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Solution

The fourth proportional to 772,425.92, 1,065,991.50 and 432,916.04 is: 597,448.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,425.92 : 1,065,991.50 = 432,916.04 : x
  2. Step 2: Convert to fraction form
    772,425.92/1,065,991.50 = 432,916.04/x
  3. Step 3: Cross multiply
    772,425.92x = 1,065,991.50 × 432,916.04
  4. Step 4: Simplify right side
    772,425.92x = 461,484,818,853.66
  5. Step 5: Solve for x
    x = 461,484,818,853.66/772,425.92
  6. Step 6: Final answer
    x = 597,448.64

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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.