Home / 630,581.30-870,195.03-344,106.26

Finding the Fourth Proportional to 630,581.30, 870,195.03 and 344,106.26

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Solution

The fourth proportional to 630,581.30, 870,195.03 and 344,106.26 is: 474,862.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,581.30 : 870,195.03 = 344,106.26 : x
  2. Step 2: Convert to fraction form
    630,581.30/870,195.03 = 344,106.26/x
  3. Step 3: Cross multiply
    630,581.30x = 870,195.03 × 344,106.26
  4. Step 4: Simplify right side
    630,581.30x = 299,439,557,243.89
  5. Step 5: Solve for x
    x = 299,439,557,243.89/630,581.30
  6. Step 6: Final answer
    x = 474,862.73

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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.