Home / 830,966.80-1,146,733.83-448,993.58

Finding the Fourth Proportional to 830,966.80, 1,146,733.83 and 448,993.58

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Solution

The fourth proportional to 830,966.80, 1,146,733.83 and 448,993.58 is: 619,610.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,966.80 : 1,146,733.83 = 448,993.58 : x
  2. Step 2: Convert to fraction form
    830,966.80/1,146,733.83 = 448,993.58/x
  3. Step 3: Cross multiply
    830,966.80x = 1,146,733.83 × 448,993.58
  4. Step 4: Simplify right side
    830,966.80x = 514,876,130,505.65
  5. Step 5: Solve for x
    x = 514,876,130,505.65/830,966.80
  6. Step 6: Final answer
    x = 619,610.95

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Double scale
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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.