Home / 651,232.88-899,140.22-406,590.48

Finding the Fourth Proportional to 651,232.88, 899,140.22 and 406,590.48

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Solution

The fourth proportional to 651,232.88, 899,140.22 and 406,590.48 is: 561,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,232.88 : 899,140.22 = 406,590.48 : x
  2. Step 2: Convert to fraction form
    651,232.88/899,140.22 = 406,590.48/x
  3. Step 3: Cross multiply
    651,232.88x = 899,140.22 × 406,590.48
  4. Step 4: Simplify right side
    651,232.88x = 365,581,853,637.11
  5. Step 5: Solve for x
    x = 365,581,853,637.11/651,232.88
  6. Step 6: Final answer
    x = 561,368.85

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Double scale
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1.5x scale

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.