Home / 1,219,075.20-1,826,863.20-896,711.40

Finding the Fourth Proportional to 1,219,075.20, 1,826,863.20 and 896,711.40

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Solution

The fourth proportional to 1,219,075.20, 1,826,863.20 and 896,711.40 is: 1,343,780.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,075.20 : 1,826,863.20 = 896,711.40 : x
  2. Step 2: Convert to fraction form
    1,219,075.20/1,826,863.20 = 896,711.40/x
  3. Step 3: Cross multiply
    1,219,075.20x = 1,826,863.20 × 896,711.40
  4. Step 4: Simplify right side
    1,219,075.20x = 1,638,169,057,680.48
  5. Step 5: Solve for x
    x = 1,638,169,057,680.48/1,219,075.20
  6. Step 6: Final answer
    x = 1,343,780.15

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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.