Home / 1,385,140.10-1,910,950.29-804,264.03

Finding the Fourth Proportional to 1,385,140.10, 1,910,950.29 and 804,264.03

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Solution

The fourth proportional to 1,385,140.10, 1,910,950.29 and 804,264.03 is: 1,109,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,140.10 : 1,910,950.29 = 804,264.03 : x
  2. Step 2: Convert to fraction form
    1,385,140.10/1,910,950.29 = 804,264.03/x
  3. Step 3: Cross multiply
    1,385,140.10x = 1,910,950.29 × 804,264.03
  4. Step 4: Simplify right side
    1,385,140.10x = 1,536,908,581,365.07
  5. Step 5: Solve for x
    x = 1,536,908,581,365.07/1,385,140.10
  6. Step 6: Final answer
    x = 1,109,569.05

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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.