Home / 779,544.95-1,162,111.56-767,260.53

Finding the Fourth Proportional to 779,544.95, 1,162,111.56 and 767,260.53

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Solution

The fourth proportional to 779,544.95, 1,162,111.56 and 767,260.53 is: 1,143,798.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,544.95 : 1,162,111.56 = 767,260.53 : x
  2. Step 2: Convert to fraction form
    779,544.95/1,162,111.56 = 767,260.53/x
  3. Step 3: Cross multiply
    779,544.95x = 1,162,111.56 × 767,260.53
  4. Step 4: Simplify right side
    779,544.95x = 891,642,331,444.73
  5. Step 5: Solve for x
    x = 891,642,331,444.73/779,544.95
  6. Step 6: Final answer
    x = 1,143,798.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.