Home / 847,152.72-1,169,062.34-459,959.63

Finding the Fourth Proportional to 847,152.72, 1,169,062.34 and 459,959.63

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Solution

The fourth proportional to 847,152.72, 1,169,062.34 and 459,959.63 is: 634,739.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,152.72 : 1,169,062.34 = 459,959.63 : x
  2. Step 2: Convert to fraction form
    847,152.72/1,169,062.34 = 459,959.63/x
  3. Step 3: Cross multiply
    847,152.72x = 1,169,062.34 × 459,959.63
  4. Step 4: Simplify right side
    847,152.72x = 537,721,473,208.22
  5. Step 5: Solve for x
    x = 537,721,473,208.22/847,152.72
  6. Step 6: Final answer
    x = 634,739.71

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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.