Home / 1,919,124.60-2,879,075.70-657,079.80

Finding the Fourth Proportional to 1,919,124.60, 2,879,075.70 and 657,079.80

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Solution

The fourth proportional to 1,919,124.60, 2,879,075.70 and 657,079.80 is: 985,752.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,124.60 : 2,879,075.70 = 657,079.80 : x
  2. Step 2: Convert to fraction form
    1,919,124.60/2,879,075.70 = 657,079.80/x
  3. Step 3: Cross multiply
    1,919,124.60x = 2,879,075.70 × 657,079.80
  4. Step 4: Simplify right side
    1,919,124.60x = 1,891,782,485,140.86
  5. Step 5: Solve for x
    x = 1,891,782,485,140.86/1,919,124.60
  6. Step 6: Final answer
    x = 985,752.82

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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.