Home / 1,226,471.45-1,692,586.35-682,642.08

Finding the Fourth Proportional to 1,226,471.45, 1,692,586.35 and 682,642.08

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Solution

The fourth proportional to 1,226,471.45, 1,692,586.35 and 682,642.08 is: 942,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,471.45 : 1,692,586.35 = 682,642.08 : x
  2. Step 2: Convert to fraction form
    1,226,471.45/1,692,586.35 = 682,642.08/x
  3. Step 3: Cross multiply
    1,226,471.45x = 1,692,586.35 × 682,642.08
  4. Step 4: Simplify right side
    1,226,471.45x = 1,155,430,666,543.61
  5. Step 5: Solve for x
    x = 1,155,430,666,543.61/1,226,471.45
  6. Step 6: Final answer
    x = 942,077.10

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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.