Home / 929,151.45-1,282,106.25-521,237.69

Finding the Fourth Proportional to 929,151.45, 1,282,106.25 and 521,237.69

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Solution

The fourth proportional to 929,151.45, 1,282,106.25 and 521,237.69 is: 719,239.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,151.45 : 1,282,106.25 = 521,237.69 : x
  2. Step 2: Convert to fraction form
    929,151.45/1,282,106.25 = 521,237.69/x
  3. Step 3: Cross multiply
    929,151.45x = 1,282,106.25 × 521,237.69
  4. Step 4: Simplify right side
    929,151.45x = 668,282,093,674.03
  5. Step 5: Solve for x
    x = 668,282,093,674.03/929,151.45
  6. Step 6: Final answer
    x = 719,239.14

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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.