Home / 1,152,029.44-1,726,756.46-431,678.22

Finding the Fourth Proportional to 1,152,029.44, 1,726,756.46 and 431,678.22

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Solution

The fourth proportional to 1,152,029.44, 1,726,756.46 and 431,678.22 is: 647,034.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,029.44 : 1,726,756.46 = 431,678.22 : x
  2. Step 2: Convert to fraction form
    1,152,029.44/1,726,756.46 = 431,678.22/x
  3. Step 3: Cross multiply
    1,152,029.44x = 1,726,756.46 × 431,678.22
  4. Step 4: Simplify right side
    1,152,029.44x = 745,403,155,026.30
  5. Step 5: Solve for x
    x = 745,403,155,026.30/1,152,029.44
  6. Step 6: Final answer
    x = 647,034.81

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.