Home / 404,920.90-607,381.35-383,148.10

Finding the Fourth Proportional to 404,920.90, 607,381.35 and 383,148.10

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Solution

The fourth proportional to 404,920.90, 607,381.35 and 383,148.10 is: 574,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,920.90 : 607,381.35 = 383,148.10 : x
  2. Step 2: Convert to fraction form
    404,920.90/607,381.35 = 383,148.10/x
  3. Step 3: Cross multiply
    404,920.90x = 607,381.35 × 383,148.10
  4. Step 4: Simplify right side
    404,920.90x = 232,717,010,227.94
  5. Step 5: Solve for x
    x = 232,717,010,227.94/404,920.90
  6. Step 6: Final answer
    x = 574,722.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.