Home / 533,723.16-736,417.53-318,821.25

Finding the Fourth Proportional to 533,723.16, 736,417.53 and 318,821.25

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Solution

The fourth proportional to 533,723.16, 736,417.53 and 318,821.25 is: 439,901.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,723.16 : 736,417.53 = 318,821.25 : x
  2. Step 2: Convert to fraction form
    533,723.16/736,417.53 = 318,821.25/x
  3. Step 3: Cross multiply
    533,723.16x = 736,417.53 × 318,821.25
  4. Step 4: Simplify right side
    533,723.16x = 234,785,557,436.51
  5. Step 5: Solve for x
    x = 234,785,557,436.51/533,723.16
  6. Step 6: Final answer
    x = 439,901.39

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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.