Home / 852,621.15-1,176,614.46-470,645.13

Finding the Fourth Proportional to 852,621.15, 1,176,614.46 and 470,645.13

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Solution

The fourth proportional to 852,621.15, 1,176,614.46 and 470,645.13 is: 649,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,621.15 : 1,176,614.46 = 470,645.13 : x
  2. Step 2: Convert to fraction form
    852,621.15/1,176,614.46 = 470,645.13/x
  3. Step 3: Cross multiply
    852,621.15x = 1,176,614.46 × 470,645.13
  4. Step 4: Simplify right side
    852,621.15x = 553,767,865,486.58
  5. Step 5: Solve for x
    x = 553,767,865,486.58/852,621.15
  6. Step 6: Final answer
    x = 649,488.77

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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.