Home / 877,562.60-1,315,307.10-372,122.60

Finding the Fourth Proportional to 877,562.60, 1,315,307.10 and 372,122.60

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Solution

The fourth proportional to 877,562.60, 1,315,307.10 and 372,122.60 is: 557,744.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,562.60 : 1,315,307.10 = 372,122.60 : x
  2. Step 2: Convert to fraction form
    877,562.60/1,315,307.10 = 372,122.60/x
  3. Step 3: Cross multiply
    877,562.60x = 1,315,307.10 × 372,122.60
  4. Step 4: Simplify right side
    877,562.60x = 489,455,497,850.46
  5. Step 5: Solve for x
    x = 489,455,497,850.46/877,562.60
  6. Step 6: Final answer
    x = 557,744.25

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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.