Home / 1,303,624.60-1,955,436.90-1,256,385.40

Finding the Fourth Proportional to 1,303,624.60, 1,955,436.90 and 1,256,385.40

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Solution

The fourth proportional to 1,303,624.60, 1,955,436.90 and 1,256,385.40 is: 1,884,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,624.60 : 1,955,436.90 = 1,256,385.40 : x
  2. Step 2: Convert to fraction form
    1,303,624.60/1,955,436.90 = 1,256,385.40/x
  3. Step 3: Cross multiply
    1,303,624.60x = 1,955,436.90 × 1,256,385.40
  4. Step 4: Simplify right side
    1,303,624.60x = 2,456,782,371,781.26
  5. Step 5: Solve for x
    x = 2,456,782,371,781.26/1,303,624.60
  6. Step 6: Final answer
    x = 1,884,578.10

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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.