Home / 986,775.06-1,361,760.95-578,883.85

Finding the Fourth Proportional to 986,775.06, 1,361,760.95 and 578,883.85

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Solution

The fourth proportional to 986,775.06, 1,361,760.95 and 578,883.85 is: 798,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,775.06 : 1,361,760.95 = 578,883.85 : x
  2. Step 2: Convert to fraction form
    986,775.06/1,361,760.95 = 578,883.85/x
  3. Step 3: Cross multiply
    986,775.06x = 1,361,760.95 × 578,883.85
  4. Step 4: Simplify right side
    986,775.06x = 788,301,416,302.24
  5. Step 5: Solve for x
    x = 788,301,416,302.24/986,775.06
  6. Step 6: Final answer
    x = 798,866.38

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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.