Home / 1,138,214.40-1,705,075.20-577,651.20

Finding the Fourth Proportional to 1,138,214.40, 1,705,075.20 and 577,651.20

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Solution

The fourth proportional to 1,138,214.40, 1,705,075.20 and 577,651.20 is: 865,336.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,214.40 : 1,705,075.20 = 577,651.20 : x
  2. Step 2: Convert to fraction form
    1,138,214.40/1,705,075.20 = 577,651.20/x
  3. Step 3: Cross multiply
    1,138,214.40x = 1,705,075.20 × 577,651.20
  4. Step 4: Simplify right side
    1,138,214.40x = 984,938,735,370.24
  5. Step 5: Solve for x
    x = 984,938,735,370.24/1,138,214.40
  6. Step 6: Final answer
    x = 865,336.74

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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.