Home / 1,030,472.02-1,545,712.01-431,012.68

Finding the Fourth Proportional to 1,030,472.02, 1,545,712.01 and 431,012.68

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Solution

The fourth proportional to 1,030,472.02, 1,545,712.01 and 431,012.68 is: 646,520.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,472.02 : 1,545,712.01 = 431,012.68 : x
  2. Step 2: Convert to fraction form
    1,030,472.02/1,545,712.01 = 431,012.68/x
  3. Step 3: Cross multiply
    1,030,472.02x = 1,545,712.01 × 431,012.68
  4. Step 4: Simplify right side
    1,030,472.02x = 666,221,475,938.29
  5. Step 5: Solve for x
    x = 666,221,475,938.29/1,030,472.02
  6. Step 6: Final answer
    x = 646,520.68

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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.