Home / 1,190,509.68-1,642,916.72-700,587.56

Finding the Fourth Proportional to 1,190,509.68, 1,642,916.72 and 700,587.56

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Solution

The fourth proportional to 1,190,509.68, 1,642,916.72 and 700,587.56 is: 966,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,509.68 : 1,642,916.72 = 700,587.56 : x
  2. Step 2: Convert to fraction form
    1,190,509.68/1,642,916.72 = 700,587.56/x
  3. Step 3: Cross multiply
    1,190,509.68x = 1,642,916.72 × 700,587.56
  4. Step 4: Simplify right side
    1,190,509.68x = 1,151,007,016,148.00
  5. Step 5: Solve for x
    x = 1,151,007,016,148.00/1,190,509.68
  6. Step 6: Final answer
    x = 966,818.70

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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.