Home / 1,453,386.30-2,005,646.04-808,800.45

Finding the Fourth Proportional to 1,453,386.30, 2,005,646.04 and 808,800.45

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Solution

The fourth proportional to 1,453,386.30, 2,005,646.04 and 808,800.45 is: 1,116,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,386.30 : 2,005,646.04 = 808,800.45 : x
  2. Step 2: Convert to fraction form
    1,453,386.30/2,005,646.04 = 808,800.45/x
  3. Step 3: Cross multiply
    1,453,386.30x = 2,005,646.04 × 808,800.45
  4. Step 4: Simplify right side
    1,453,386.30x = 1,622,167,419,692.72
  5. Step 5: Solve for x
    x = 1,622,167,419,692.72/1,453,386.30
  6. Step 6: Final answer
    x = 1,116,129.57

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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.