Home / 549,123.58-757,399.94-503,947.45

Finding the Fourth Proportional to 549,123.58, 757,399.94 and 503,947.45

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Solution

The fourth proportional to 549,123.58, 757,399.94 and 503,947.45 is: 695,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,123.58 : 757,399.94 = 503,947.45 : x
  2. Step 2: Convert to fraction form
    549,123.58/757,399.94 = 503,947.45/x
  3. Step 3: Cross multiply
    549,123.58x = 757,399.94 × 503,947.45
  4. Step 4: Simplify right side
    549,123.58x = 381,689,765,869.72
  5. Step 5: Solve for x
    x = 381,689,765,869.72/549,123.58
  6. Step 6: Final answer
    x = 695,089.01

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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.