Home / 1,055,977.07-1,581,341.15-966,386.57

Finding the Fourth Proportional to 1,055,977.07, 1,581,341.15 and 966,386.57

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Solution

The fourth proportional to 1,055,977.07, 1,581,341.15 and 966,386.57 is: 1,447,178.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,977.07 : 1,581,341.15 = 966,386.57 : x
  2. Step 2: Convert to fraction form
    1,055,977.07/1,581,341.15 = 966,386.57/x
  3. Step 3: Cross multiply
    1,055,977.07x = 1,581,341.15 × 966,386.57
  4. Step 4: Simplify right side
    1,055,977.07x = 1,528,186,837,209.72
  5. Step 5: Solve for x
    x = 1,528,186,837,209.72/1,055,977.07
  6. Step 6: Final answer
    x = 1,447,178.06

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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.