Home / 753,557.16-1,130,332.86-192,590.76

Finding the Fourth Proportional to 753,557.16, 1,130,332.86 and 192,590.76

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Solution

The fourth proportional to 753,557.16, 1,130,332.86 and 192,590.76 is: 288,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,557.16 : 1,130,332.86 = 192,590.76 : x
  2. Step 2: Convert to fraction form
    753,557.16/1,130,332.86 = 192,590.76/x
  3. Step 3: Cross multiply
    753,557.16x = 1,130,332.86 × 192,590.76
  4. Step 4: Simplify right side
    753,557.16x = 217,691,664,560.37
  5. Step 5: Solve for x
    x = 217,691,664,560.37/753,557.16
  6. Step 6: Final answer
    x = 288,885.40

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Double scale
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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.