Home / 852,358.60-1,176,252.45-470,382.65

Finding the Fourth Proportional to 852,358.60, 1,176,252.45 and 470,382.65

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Solution

The fourth proportional to 852,358.60, 1,176,252.45 and 470,382.65 is: 649,126.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,358.60 : 1,176,252.45 = 470,382.65 : x
  2. Step 2: Convert to fraction form
    852,358.60/1,176,252.45 = 470,382.65/x
  3. Step 3: Cross multiply
    852,358.60x = 1,176,252.45 × 470,382.65
  4. Step 4: Simplify right side
    852,358.60x = 553,288,738,618.73
  5. Step 5: Solve for x
    x = 553,288,738,618.73/852,358.60
  6. Step 6: Final answer
    x = 649,126.72

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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.