Home / 1,151,156.24-1,588,751.88-661,317.20

Finding the Fourth Proportional to 1,151,156.24, 1,588,751.88 and 661,317.20

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Solution

The fourth proportional to 1,151,156.24, 1,588,751.88 and 661,317.20 is: 912,707.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,156.24 : 1,588,751.88 = 661,317.20 : x
  2. Step 2: Convert to fraction form
    1,151,156.24/1,588,751.88 = 661,317.20/x
  3. Step 3: Cross multiply
    1,151,156.24x = 1,588,751.88 × 661,317.20
  4. Step 4: Simplify right side
    1,151,156.24x = 1,050,668,944,776.34
  5. Step 5: Solve for x
    x = 1,050,668,944,776.34/1,151,156.24
  6. Step 6: Final answer
    x = 912,707.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.