Home / 852,488.80-1,176,350.79-470,490.92

Finding the Fourth Proportional to 852,488.80, 1,176,350.79 and 470,490.92

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Solution

The fourth proportional to 852,488.80, 1,176,350.79 and 470,490.92 is: 649,231.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,488.80 : 1,176,350.79 = 470,490.92 : x
  2. Step 2: Convert to fraction form
    852,488.80/1,176,350.79 = 470,490.92/x
  3. Step 3: Cross multiply
    852,488.80x = 1,176,350.79 × 470,490.92
  4. Step 4: Simplify right side
    852,488.80x = 553,462,365,429.83
  5. Step 5: Solve for x
    x = 553,462,365,429.83/852,488.80
  6. Step 6: Final answer
    x = 649,231.25

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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.