Home / 853,607.34-1,280,587.77-348,169.77

Finding the Fourth Proportional to 853,607.34, 1,280,587.77 and 348,169.77

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Solution

The fourth proportional to 853,607.34, 1,280,587.77 and 348,169.77 is: 522,326.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,607.34 : 1,280,587.77 = 348,169.77 : x
  2. Step 2: Convert to fraction form
    853,607.34/1,280,587.77 = 348,169.77/x
  3. Step 3: Cross multiply
    853,607.34x = 1,280,587.77 × 348,169.77
  4. Step 4: Simplify right side
    853,607.34x = 445,861,949,345.71
  5. Step 5: Solve for x
    x = 445,861,949,345.71/853,607.34
  6. Step 6: Final answer
    x = 522,326.75

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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.