Home / 905,675.57-1,249,832.69-497,774.04

Finding the Fourth Proportional to 905,675.57, 1,249,832.69 and 497,774.04

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Solution

The fourth proportional to 905,675.57, 1,249,832.69 and 497,774.04 is: 686,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,675.57 : 1,249,832.69 = 497,774.04 : x
  2. Step 2: Convert to fraction form
    905,675.57/1,249,832.69 = 497,774.04/x
  3. Step 3: Cross multiply
    905,675.57x = 1,249,832.69 × 497,774.04
  4. Step 4: Simplify right side
    905,675.57x = 622,134,264,936.50
  5. Step 5: Solve for x
    x = 622,134,264,936.50/905,675.57
  6. Step 6: Final answer
    x = 686,928.40

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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.