Home / 1,262,938.40-1,892,794.80-514,138.40

Finding the Fourth Proportional to 1,262,938.40, 1,892,794.80 and 514,138.40

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Solution

The fourth proportional to 1,262,938.40, 1,892,794.80 and 514,138.40 is: 770,551.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,938.40 : 1,892,794.80 = 514,138.40 : x
  2. Step 2: Convert to fraction form
    1,262,938.40/1,892,794.80 = 514,138.40/x
  3. Step 3: Cross multiply
    1,262,938.40x = 1,892,794.80 × 514,138.40
  4. Step 4: Simplify right side
    1,262,938.40x = 973,158,490,000.32
  5. Step 5: Solve for x
    x = 973,158,490,000.32/1,262,938.40
  6. Step 6: Final answer
    x = 770,551.03

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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.