Home / 853,974.36-1,178,464.10-466,772.39

Finding the Fourth Proportional to 853,974.36, 1,178,464.10 and 466,772.39

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Solution

The fourth proportional to 853,974.36, 1,178,464.10 and 466,772.39 is: 644,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,974.36 : 1,178,464.10 = 466,772.39 : x
  2. Step 2: Convert to fraction form
    853,974.36/1,178,464.10 = 466,772.39/x
  3. Step 3: Cross multiply
    853,974.36x = 1,178,464.10 × 466,772.39
  4. Step 4: Simplify right side
    853,974.36x = 550,074,506,848.89
  5. Step 5: Solve for x
    x = 550,074,506,848.89/853,974.36
  6. Step 6: Final answer
    x = 644,134.68

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Double scale
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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.