Home / 607,934.40-910,519.20-383,985.60

Finding the Fourth Proportional to 607,934.40, 910,519.20 and 383,985.60

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Solution

The fourth proportional to 607,934.40, 910,519.20 and 383,985.60 is: 575,105.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,934.40 : 910,519.20 = 383,985.60 : x
  2. Step 2: Convert to fraction form
    607,934.40/910,519.20 = 383,985.60/x
  3. Step 3: Cross multiply
    607,934.40x = 910,519.20 × 383,985.60
  4. Step 4: Simplify right side
    607,934.40x = 349,626,261,323.52
  5. Step 5: Solve for x
    x = 349,626,261,323.52/607,934.40
  6. Step 6: Final answer
    x = 575,105.24

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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.