Home / 986,629.52-1,361,552.16-533,920.40

Finding the Fourth Proportional to 986,629.52, 1,361,552.16 and 533,920.40

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Solution

The fourth proportional to 986,629.52, 1,361,552.16 and 533,920.40 is: 736,812.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,629.52 : 1,361,552.16 = 533,920.40 : x
  2. Step 2: Convert to fraction form
    986,629.52/1,361,552.16 = 533,920.40/x
  3. Step 3: Cross multiply
    986,629.52x = 1,361,552.16 × 533,920.40
  4. Step 4: Simplify right side
    986,629.52x = 726,960,473,888.06
  5. Step 5: Solve for x
    x = 726,960,473,888.06/986,629.52
  6. Step 6: Final answer
    x = 736,812.00

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1.5x scale

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.