Home / 1,249,976.67-1,724,959.76-706,288.47

Finding the Fourth Proportional to 1,249,976.67, 1,724,959.76 and 706,288.47

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Solution

The fourth proportional to 1,249,976.67, 1,724,959.76 and 706,288.47 is: 974,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,976.67 : 1,724,959.76 = 706,288.47 : x
  2. Step 2: Convert to fraction form
    1,249,976.67/1,724,959.76 = 706,288.47/x
  3. Step 3: Cross multiply
    1,249,976.67x = 1,724,959.76 × 706,288.47
  4. Step 4: Simplify right side
    1,249,976.67x = 1,218,319,189,701.97
  5. Step 5: Solve for x
    x = 1,218,319,189,701.97/1,249,976.67
  6. Step 6: Final answer
    x = 974,673.54

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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.