Home / 980,237.84-1,352,569.56-612,671.63

Finding the Fourth Proportional to 980,237.84, 1,352,569.56 and 612,671.63

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Solution

The fourth proportional to 980,237.84, 1,352,569.56 and 612,671.63 is: 845,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,237.84 : 1,352,569.56 = 612,671.63 : x
  2. Step 2: Convert to fraction form
    980,237.84/1,352,569.56 = 612,671.63/x
  3. Step 3: Cross multiply
    980,237.84x = 1,352,569.56 × 612,671.63
  4. Step 4: Simplify right side
    980,237.84x = 828,680,997,013.58
  5. Step 5: Solve for x
    x = 828,680,997,013.58/980,237.84
  6. Step 6: Final answer
    x = 845,387.68

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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.