Home / 302,570.10-453,855.15-260,579.70

Finding the Fourth Proportional to 302,570.10, 453,855.15 and 260,579.70

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Solution

The fourth proportional to 302,570.10, 453,855.15 and 260,579.70 is: 390,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,570.10 : 453,855.15 = 260,579.70 : x
  2. Step 2: Convert to fraction form
    302,570.10/453,855.15 = 260,579.70/x
  3. Step 3: Cross multiply
    302,570.10x = 453,855.15 × 260,579.70
  4. Step 4: Simplify right side
    302,570.10x = 118,265,438,830.46
  5. Step 5: Solve for x
    x = 118,265,438,830.46/302,570.10
  6. Step 6: Final answer
    x = 390,869.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.