Home / 749,548.52-1,034,477.16-422,928.74

Finding the Fourth Proportional to 749,548.52, 1,034,477.16 and 422,928.74

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Solution

The fourth proportional to 749,548.52, 1,034,477.16 and 422,928.74 is: 583,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,548.52 : 1,034,477.16 = 422,928.74 : x
  2. Step 2: Convert to fraction form
    749,548.52/1,034,477.16 = 422,928.74/x
  3. Step 3: Cross multiply
    749,548.52x = 1,034,477.16 × 422,928.74
  4. Step 4: Simplify right side
    749,548.52x = 437,510,121,837.58
  5. Step 5: Solve for x
    x = 437,510,121,837.58/749,548.52
  6. Step 6: Final answer
    x = 583,698.20

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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.