Home / 986,015.76-1,360,701.75-533,306.76

Finding the Fourth Proportional to 986,015.76, 1,360,701.75 and 533,306.76

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Solution

The fourth proportional to 986,015.76, 1,360,701.75 and 533,306.76 is: 735,963.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,015.76 : 1,360,701.75 = 533,306.76 : x
  2. Step 2: Convert to fraction form
    986,015.76/1,360,701.75 = 533,306.76/x
  3. Step 3: Cross multiply
    986,015.76x = 1,360,701.75 × 533,306.76
  4. Step 4: Simplify right side
    986,015.76x = 725,671,441,618.83
  5. Step 5: Solve for x
    x = 725,671,441,618.83/986,015.76
  6. Step 6: Final answer
    x = 735,963.33

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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.