Home / 1,158,920.66-1,599,409.13-649,721.45

Finding the Fourth Proportional to 1,158,920.66, 1,599,409.13 and 649,721.45

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Solution

The fourth proportional to 1,158,920.66, 1,599,409.13 and 649,721.45 is: 896,670.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,920.66 : 1,599,409.13 = 649,721.45 : x
  2. Step 2: Convert to fraction form
    1,158,920.66/1,599,409.13 = 649,721.45/x
  3. Step 3: Cross multiply
    1,158,920.66x = 1,599,409.13 × 649,721.45
  4. Step 4: Simplify right side
    1,158,920.66x = 1,039,170,407,841.19
  5. Step 5: Solve for x
    x = 1,039,170,407,841.19/1,158,920.66
  6. Step 6: Final answer
    x = 896,670.88

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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.