Home / 579,554.40-868,165.20-402,261.60

Finding the Fourth Proportional to 579,554.40, 868,165.20 and 402,261.60

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Solution

The fourth proportional to 579,554.40, 868,165.20 and 402,261.60 is: 602,582.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,554.40 : 868,165.20 = 402,261.60 : x
  2. Step 2: Convert to fraction form
    579,554.40/868,165.20 = 402,261.60/x
  3. Step 3: Cross multiply
    579,554.40x = 868,165.20 × 402,261.60
  4. Step 4: Simplify right side
    579,554.40x = 349,229,522,416.32
  5. Step 5: Solve for x
    x = 349,229,522,416.32/579,554.40
  6. Step 6: Final answer
    x = 602,582.82

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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.