Home / 852,500.47-1,176,432.67-465,303.06

Finding the Fourth Proportional to 852,500.47, 1,176,432.67 and 465,303.06

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Solution

The fourth proportional to 852,500.47, 1,176,432.67 and 465,303.06 is: 642,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,500.47 : 1,176,432.67 = 465,303.06 : x
  2. Step 2: Convert to fraction form
    852,500.47/1,176,432.67 = 465,303.06/x
  3. Step 3: Cross multiply
    852,500.47x = 1,176,432.67 × 465,303.06
  4. Step 4: Simplify right side
    852,500.47x = 547,397,721,234.97
  5. Step 5: Solve for x
    x = 547,397,721,234.97/852,500.47
  6. Step 6: Final answer
    x = 642,108.41

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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.