Home / 936,599.28-1,403,479.80-619,921.68

Finding the Fourth Proportional to 936,599.28, 1,403,479.80 and 619,921.68

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Solution

The fourth proportional to 936,599.28, 1,403,479.80 and 619,921.68 is: 928,943.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,599.28 : 1,403,479.80 = 619,921.68 : x
  2. Step 2: Convert to fraction form
    936,599.28/1,403,479.80 = 619,921.68/x
  3. Step 3: Cross multiply
    936,599.28x = 1,403,479.80 × 619,921.68
  4. Step 4: Simplify right side
    936,599.28x = 870,047,555,462.06
  5. Step 5: Solve for x
    x = 870,047,555,462.06/936,599.28
  6. Step 6: Final answer
    x = 928,943.22

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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.