Home / 905,515.02-1,249,585.54-497,616.73

Finding the Fourth Proportional to 905,515.02, 1,249,585.54 and 497,616.73

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Solution

The fourth proportional to 905,515.02, 1,249,585.54 and 497,616.73 is: 686,697.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,515.02 : 1,249,585.54 = 497,616.73 : x
  2. Step 2: Convert to fraction form
    905,515.02/1,249,585.54 = 497,616.73/x
  3. Step 3: Cross multiply
    905,515.02x = 1,249,585.54 × 497,616.73
  4. Step 4: Simplify right side
    905,515.02x = 621,814,670,270.08
  5. Step 5: Solve for x
    x = 621,814,670,270.08/905,515.02
  6. Step 6: Final answer
    x = 686,697.25

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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.