Home / 1,761,075.90-2,642,500.08-1,312,697.16

Finding the Fourth Proportional to 1,761,075.90, 2,642,500.08 and 1,312,697.16

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Solution

The fourth proportional to 1,761,075.90, 2,642,500.08 and 1,312,697.16 is: 1,969,706.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,075.90 : 2,642,500.08 = 1,312,697.16 : x
  2. Step 2: Convert to fraction form
    1,761,075.90/2,642,500.08 = 1,312,697.16/x
  3. Step 3: Cross multiply
    1,761,075.90x = 2,642,500.08 × 1,312,697.16
  4. Step 4: Simplify right side
    1,761,075.90x = 3,468,802,350,315.77
  5. Step 5: Solve for x
    x = 3,468,802,350,315.77/1,761,075.90
  6. Step 6: Final answer
    x = 1,969,706.33

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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.