Home / 1,421,752.61-2,132,628.91-475,123.32

Finding the Fourth Proportional to 1,421,752.61, 2,132,628.91 and 475,123.32

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Solution

The fourth proportional to 1,421,752.61, 2,132,628.91 and 475,123.32 is: 712,684.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,752.61 : 2,132,628.91 = 475,123.32 : x
  2. Step 2: Convert to fraction form
    1,421,752.61/2,132,628.91 = 475,123.32/x
  3. Step 3: Cross multiply
    1,421,752.61x = 2,132,628.91 × 475,123.32
  4. Step 4: Simplify right side
    1,421,752.61x = 1,013,261,726,859.37
  5. Step 5: Solve for x
    x = 1,013,261,726,859.37/1,421,752.61
  6. Step 6: Final answer
    x = 712,684.98

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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.