Home / 1,402,046.47-2,102,228.88-642,937.06

Finding the Fourth Proportional to 1,402,046.47, 2,102,228.88 and 642,937.06

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Solution

The fourth proportional to 1,402,046.47, 2,102,228.88 and 642,937.06 is: 964,020.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,046.47 : 2,102,228.88 = 642,937.06 : x
  2. Step 2: Convert to fraction form
    1,402,046.47/2,102,228.88 = 642,937.06/x
  3. Step 3: Cross multiply
    1,402,046.47x = 2,102,228.88 × 642,937.06
  4. Step 4: Simplify right side
    1,402,046.47x = 1,351,600,855,554.29
  5. Step 5: Solve for x
    x = 1,351,600,855,554.29/1,402,046.47
  6. Step 6: Final answer
    x = 964,020.01

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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.