Home / 438,384.83-605,389.01-414,502.52

Finding the Fourth Proportional to 438,384.83, 605,389.01 and 414,502.52

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Solution

The fourth proportional to 438,384.83, 605,389.01 and 414,502.52 is: 572,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,384.83 : 605,389.01 = 414,502.52 : x
  2. Step 2: Convert to fraction form
    438,384.83/605,389.01 = 414,502.52/x
  3. Step 3: Cross multiply
    438,384.83x = 605,389.01 × 414,502.52
  4. Step 4: Simplify right side
    438,384.83x = 250,935,265,125.85
  5. Step 5: Solve for x
    x = 250,935,265,125.85/438,384.83
  6. Step 6: Final answer
    x = 572,408.65

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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.