Home / 852,482.80-1,176,342.51-470,484.91

Finding the Fourth Proportional to 852,482.80, 1,176,342.51 and 470,484.91

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Solution

The fourth proportional to 852,482.80, 1,176,342.51 and 470,484.91 is: 649,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,482.80 : 1,176,342.51 = 470,484.91 : x
  2. Step 2: Convert to fraction form
    852,482.80/1,176,342.51 = 470,484.91/x
  3. Step 3: Cross multiply
    852,482.80x = 1,176,342.51 × 470,484.91
  4. Step 4: Simplify right side
    852,482.80x = 553,451,399,946.52
  5. Step 5: Solve for x
    x = 553,451,399,946.52/852,482.80
  6. Step 6: Final answer
    x = 649,222.95

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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.