Home / 1,330,444.72-1,836,012.98-718,597.16

Finding the Fourth Proportional to 1,330,444.72, 1,836,012.98 and 718,597.16

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Solution

The fourth proportional to 1,330,444.72, 1,836,012.98 and 718,597.16 is: 991,663.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,444.72 : 1,836,012.98 = 718,597.16 : x
  2. Step 2: Convert to fraction form
    1,330,444.72/1,836,012.98 = 718,597.16/x
  3. Step 3: Cross multiply
    1,330,444.72x = 1,836,012.98 × 718,597.16
  4. Step 4: Simplify right side
    1,330,444.72x = 1,319,353,713,151.14
  5. Step 5: Solve for x
    x = 1,319,353,713,151.14/1,330,444.72
  6. Step 6: Final answer
    x = 991,663.68

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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.