Home / 572,828.40-858,076.20-292,503.60

Finding the Fourth Proportional to 572,828.40, 858,076.20 and 292,503.60

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Solution

The fourth proportional to 572,828.40, 858,076.20 and 292,503.60 is: 438,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,828.40 : 858,076.20 = 292,503.60 : x
  2. Step 2: Convert to fraction form
    572,828.40/858,076.20 = 292,503.60/x
  3. Step 3: Cross multiply
    572,828.40x = 858,076.20 × 292,503.60
  4. Step 4: Simplify right side
    572,828.40x = 250,990,377,574.32
  5. Step 5: Solve for x
    x = 250,990,377,574.32/572,828.40
  6. Step 6: Final answer
    x = 438,159.80

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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.