Home / 437,926.91-604,347.01-256,690.22

Finding the Fourth Proportional to 437,926.91, 604,347.01 and 256,690.22

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Solution

The fourth proportional to 437,926.91, 604,347.01 and 256,690.22 is: 354,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,926.91 : 604,347.01 = 256,690.22 : x
  2. Step 2: Convert to fraction form
    437,926.91/604,347.01 = 256,690.22/x
  3. Step 3: Cross multiply
    437,926.91x = 604,347.01 × 256,690.22
  4. Step 4: Simplify right side
    437,926.91x = 155,129,967,822.38
  5. Step 5: Solve for x
    x = 155,129,967,822.38/437,926.91
  6. Step 6: Final answer
    x = 354,237.12

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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.