Home / 852,472.41-1,176,406.11-470,499.23

Finding the Fourth Proportional to 852,472.41, 1,176,406.11 and 470,499.23

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Solution

The fourth proportional to 852,472.41, 1,176,406.11 and 470,499.23 is: 649,285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,472.41 : 1,176,406.11 = 470,499.23 : x
  2. Step 2: Convert to fraction form
    852,472.41/1,176,406.11 = 470,499.23/x
  3. Step 3: Cross multiply
    852,472.41x = 1,176,406.11 × 470,499.23
  4. Step 4: Simplify right side
    852,472.41x = 553,498,163,040.27
  5. Step 5: Solve for x
    x = 553,498,163,040.27/852,472.41
  6. Step 6: Final answer
    x = 649,285.72

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Double scale
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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.