Home / 1,249,989.52-1,725,020.95-706,148.32

Finding the Fourth Proportional to 1,249,989.52, 1,725,020.95 and 706,148.32

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Solution

The fourth proportional to 1,249,989.52, 1,725,020.95 and 706,148.32 is: 974,504.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,989.52 : 1,725,020.95 = 706,148.32 : x
  2. Step 2: Convert to fraction form
    1,249,989.52/1,725,020.95 = 706,148.32/x
  3. Step 3: Cross multiply
    1,249,989.52x = 1,725,020.95 × 706,148.32
  4. Step 4: Simplify right side
    1,249,989.52x = 1,218,120,637,182.20
  5. Step 5: Solve for x
    x = 1,218,120,637,182.20/1,249,989.52
  6. Step 6: Final answer
    x = 974,504.68

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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.