Home / 1,792,610.40-2,688,397.20-655,240.80

Finding the Fourth Proportional to 1,792,610.40, 2,688,397.20 and 655,240.80

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Solution

The fourth proportional to 1,792,610.40, 2,688,397.20 and 655,240.80 is: 982,671.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,610.40 : 2,688,397.20 = 655,240.80 : x
  2. Step 2: Convert to fraction form
    1,792,610.40/2,688,397.20 = 655,240.80/x
  3. Step 3: Cross multiply
    1,792,610.40x = 2,688,397.20 × 655,240.80
  4. Step 4: Simplify right side
    1,792,610.40x = 1,761,547,532,045.76
  5. Step 5: Solve for x
    x = 1,761,547,532,045.76/1,792,610.40
  6. Step 6: Final answer
    x = 982,671.71

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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.