Home / 738,303.60-1,107,455.40-724,306.80

Finding the Fourth Proportional to 738,303.60, 1,107,455.40 and 724,306.80

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Solution

The fourth proportional to 738,303.60, 1,107,455.40 and 724,306.80 is: 1,086,460.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,303.60 : 1,107,455.40 = 724,306.80 : x
  2. Step 2: Convert to fraction form
    738,303.60/1,107,455.40 = 724,306.80/x
  3. Step 3: Cross multiply
    738,303.60x = 1,107,455.40 × 724,306.80
  4. Step 4: Simplify right side
    738,303.60x = 802,137,476,916.72
  5. Step 5: Solve for x
    x = 802,137,476,916.72/738,303.60
  6. Step 6: Final answer
    x = 1,086,460.20

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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.