Home / 2,689,263.40-4,033,895.10-983,403.40

Finding the Fourth Proportional to 2,689,263.40, 4,033,895.10 and 983,403.40

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Solution

The fourth proportional to 2,689,263.40, 4,033,895.10 and 983,403.40 is: 1,475,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,263.40 : 4,033,895.10 = 983,403.40 : x
  2. Step 2: Convert to fraction form
    2,689,263.40/4,033,895.10 = 983,403.40/x
  3. Step 3: Cross multiply
    2,689,263.40x = 4,033,895.10 × 983,403.40
  4. Step 4: Simplify right side
    2,689,263.40x = 3,966,946,156,583.34
  5. Step 5: Solve for x
    x = 3,966,946,156,583.34/2,689,263.40
  6. Step 6: Final answer
    x = 1,475,105.10

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Double scale
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Similar ratio
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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.