Home / 905,331.84-1,249,418.88-523,455.36

Finding the Fourth Proportional to 905,331.84, 1,249,418.88 and 523,455.36

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Solution

The fourth proportional to 905,331.84, 1,249,418.88 and 523,455.36 is: 722,403.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,331.84 : 1,249,418.88 = 523,455.36 : x
  2. Step 2: Convert to fraction form
    905,331.84/1,249,418.88 = 523,455.36/x
  3. Step 3: Cross multiply
    905,331.84x = 1,249,418.88 × 523,455.36
  4. Step 4: Simplify right side
    905,331.84x = 654,015,009,621.20
  5. Step 5: Solve for x
    x = 654,015,009,621.20/905,331.84
  6. Step 6: Final answer
    x = 722,403.63

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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.