Home / 1,419,655.60-1,959,114.72-775,075.76

Finding the Fourth Proportional to 1,419,655.60, 1,959,114.72 and 775,075.76

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Solution

The fourth proportional to 1,419,655.60, 1,959,114.72 and 775,075.76 is: 1,069,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,655.60 : 1,959,114.72 = 775,075.76 : x
  2. Step 2: Convert to fraction form
    1,419,655.60/1,959,114.72 = 775,075.76/x
  3. Step 3: Cross multiply
    1,419,655.60x = 1,959,114.72 × 775,075.76
  4. Step 4: Simplify right side
    1,419,655.60x = 1,518,462,330,531.19
  5. Step 5: Solve for x
    x = 1,518,462,330,531.19/1,419,655.60
  6. Step 6: Final answer
    x = 1,069,599.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.