Home / 619,014.40-853,925.46-404,280.16

Finding the Fourth Proportional to 619,014.40, 853,925.46 and 404,280.16

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Solution

The fourth proportional to 619,014.40, 853,925.46 and 404,280.16 is: 557,701.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,014.40 : 853,925.46 = 404,280.16 : x
  2. Step 2: Convert to fraction form
    619,014.40/853,925.46 = 404,280.16/x
  3. Step 3: Cross multiply
    619,014.40x = 853,925.46 × 404,280.16
  4. Step 4: Simplify right side
    619,014.40x = 345,225,121,596.87
  5. Step 5: Solve for x
    x = 345,225,121,596.87/619,014.40
  6. Step 6: Final answer
    x = 557,701.28

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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.