Home / 1,256,434.77-1,885,449.26-536,781.89

Finding the Fourth Proportional to 1,256,434.77, 1,885,449.26 and 536,781.89

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Solution

The fourth proportional to 1,256,434.77, 1,885,449.26 and 536,781.89 is: 805,513.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,434.77 : 1,885,449.26 = 536,781.89 : x
  2. Step 2: Convert to fraction form
    1,256,434.77/1,885,449.26 = 536,781.89/x
  3. Step 3: Cross multiply
    1,256,434.77x = 1,885,449.26 × 536,781.89
  4. Step 4: Simplify right side
    1,256,434.77x = 1,012,075,017,281.90
  5. Step 5: Solve for x
    x = 1,012,075,017,281.90/1,256,434.77
  6. Step 6: Final answer
    x = 805,513.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.