Home / 761,888.83-1,143,023.61-537,686.92

Finding the Fourth Proportional to 761,888.83, 1,143,023.61 and 537,686.92

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Solution

The fourth proportional to 761,888.83, 1,143,023.61 and 537,686.92 is: 806,664.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,888.83 : 1,143,023.61 = 537,686.92 : x
  2. Step 2: Convert to fraction form
    761,888.83/1,143,023.61 = 537,686.92/x
  3. Step 3: Cross multiply
    761,888.83x = 1,143,023.61 × 537,686.92
  4. Step 4: Simplify right side
    761,888.83x = 614,588,844,348.18
  5. Step 5: Solve for x
    x = 614,588,844,348.18/761,888.83
  6. Step 6: Final answer
    x = 806,664.73

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1.5x scale

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.