Home / 623,848.86-861,132.04-369,199.44

Finding the Fourth Proportional to 623,848.86, 861,132.04 and 369,199.44

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Solution

The fourth proportional to 623,848.86, 861,132.04 and 369,199.44 is: 509,625.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,848.86 : 861,132.04 = 369,199.44 : x
  2. Step 2: Convert to fraction form
    623,848.86/861,132.04 = 369,199.44/x
  3. Step 3: Cross multiply
    623,848.86x = 861,132.04 × 369,199.44
  4. Step 4: Simplify right side
    623,848.86x = 317,929,466,934.06
  5. Step 5: Solve for x
    x = 317,929,466,934.06/623,848.86
  6. Step 6: Final answer
    x = 509,625.79

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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.