Home / 905,199.97-1,249,197.97-497,328.23

Finding the Fourth Proportional to 905,199.97, 1,249,197.97 and 497,328.23

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Solution

The fourth proportional to 905,199.97, 1,249,197.97 and 497,328.23 is: 686,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,199.97 : 1,249,197.97 = 497,328.23 : x
  2. Step 2: Convert to fraction form
    905,199.97/1,249,197.97 = 497,328.23/x
  3. Step 3: Cross multiply
    905,199.97x = 1,249,197.97 × 497,328.23
  4. Step 4: Simplify right side
    905,199.97x = 621,261,415,339.69
  5. Step 5: Solve for x
    x = 621,261,415,339.69/905,199.97
  6. Step 6: Final answer
    x = 686,325.05

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Double scale
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1.5x scale

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.