Home / 1,055,981.19-1,581,347.34-966,390.69

Finding the Fourth Proportional to 1,055,981.19, 1,581,347.34 and 966,390.69

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Solution

The fourth proportional to 1,055,981.19, 1,581,347.34 and 966,390.69 is: 1,447,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,981.19 : 1,581,347.34 = 966,390.69 : x
  2. Step 2: Convert to fraction form
    1,055,981.19/1,581,347.34 = 966,390.69/x
  3. Step 3: Cross multiply
    1,055,981.19x = 1,581,347.34 × 966,390.69
  4. Step 4: Simplify right side
    1,055,981.19x = 1,528,199,347,032.26
  5. Step 5: Solve for x
    x = 1,528,199,347,032.26/1,055,981.19
  6. Step 6: Final answer
    x = 1,447,184.25

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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.