Home / 1,240,976-1,712,360.34-697,007.58

Finding the Fourth Proportional to 1,240,976, 1,712,360.34 and 697,007.58

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Solution

The fourth proportional to 1,240,976, 1,712,360.34 and 697,007.58 is: 961,765.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,976 : 1,712,360.34 = 697,007.58 : x
  2. Step 2: Convert to fraction form
    1,240,976/1,712,360.34 = 697,007.58/x
  3. Step 3: Cross multiply
    1,240,976x = 1,712,360.34 × 697,007.58
  4. Step 4: Simplify right side
    1,240,976x = 1,193,528,136,671.38
  5. Step 5: Solve for x
    x = 1,193,528,136,671.38/1,240,976
  6. Step 6: Final answer
    x = 961,765.69

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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.