Home / 1,686,298.70-2,327,852.12-1,075,272.77

Finding the Fourth Proportional to 1,686,298.70, 2,327,852.12 and 1,075,272.77

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Solution

The fourth proportional to 1,686,298.70, 2,327,852.12 and 1,075,272.77 is: 1,484,360.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,298.70 : 2,327,852.12 = 1,075,272.77 : x
  2. Step 2: Convert to fraction form
    1,686,298.70/2,327,852.12 = 1,075,272.77/x
  3. Step 3: Cross multiply
    1,686,298.70x = 2,327,852.12 × 1,075,272.77
  4. Step 4: Simplify right side
    1,686,298.70x = 2,503,075,997,666.04
  5. Step 5: Solve for x
    x = 2,503,075,997,666.04/1,686,298.70
  6. Step 6: Final answer
    x = 1,484,360.98

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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.