Home / 832,862.45-1,249,319.19-285,747.19

Finding the Fourth Proportional to 832,862.45, 1,249,319.19 and 285,747.19

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Solution

The fourth proportional to 832,862.45, 1,249,319.19 and 285,747.19 is: 428,629.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,862.45 : 1,249,319.19 = 285,747.19 : x
  2. Step 2: Convert to fraction form
    832,862.45/1,249,319.19 = 285,747.19/x
  3. Step 3: Cross multiply
    832,862.45x = 1,249,319.19 × 285,747.19
  4. Step 4: Simplify right side
    832,862.45x = 356,989,452,931.25
  5. Step 5: Solve for x
    x = 356,989,452,931.25/832,862.45
  6. Step 6: Final answer
    x = 428,629.54

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1.5x scale

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.