Home / 983,676.80-1,475,515.20-610,428.80

Finding the Fourth Proportional to 983,676.80, 1,475,515.20 and 610,428.80

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Solution

The fourth proportional to 983,676.80, 1,475,515.20 and 610,428.80 is: 915,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,676.80 : 1,475,515.20 = 610,428.80 : x
  2. Step 2: Convert to fraction form
    983,676.80/1,475,515.20 = 610,428.80/x
  3. Step 3: Cross multiply
    983,676.80x = 1,475,515.20 × 610,428.80
  4. Step 4: Simplify right side
    983,676.80x = 900,696,972,917.76
  5. Step 5: Solve for x
    x = 900,696,972,917.76/983,676.80
  6. Step 6: Final answer
    x = 915,643.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.