Home / 740,427.24-1,021,269.96-454,061.46

Finding the Fourth Proportional to 740,427.24, 1,021,269.96 and 454,061.46

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Solution

The fourth proportional to 740,427.24, 1,021,269.96 and 454,061.46 is: 626,286.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,427.24 : 1,021,269.96 = 454,061.46 : x
  2. Step 2: Convert to fraction form
    740,427.24/1,021,269.96 = 454,061.46/x
  3. Step 3: Cross multiply
    740,427.24x = 1,021,269.96 × 454,061.46
  4. Step 4: Simplify right side
    740,427.24x = 463,719,329,091.74
  5. Step 5: Solve for x
    x = 463,719,329,091.74/740,427.24
  6. Step 6: Final answer
    x = 626,286.15

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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.