Home / 630,581.47-870,220.94-344,120.04

Finding the Fourth Proportional to 630,581.47, 870,220.94 and 344,120.04

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Solution

The fourth proportional to 630,581.47, 870,220.94 and 344,120.04 is: 474,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,581.47 : 870,220.94 = 344,120.04 : x
  2. Step 2: Convert to fraction form
    630,581.47/870,220.94 = 344,120.04/x
  3. Step 3: Cross multiply
    630,581.47x = 870,220.94 × 344,120.04
  4. Step 4: Simplify right side
    630,581.47x = 299,460,462,961.04
  5. Step 5: Solve for x
    x = 299,460,462,961.04/630,581.47
  6. Step 6: Final answer
    x = 474,895.76

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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.