Home / 589,059.92-812,905.80-344,187.20

Finding the Fourth Proportional to 589,059.92, 812,905.80 and 344,187.20

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Solution

The fourth proportional to 589,059.92, 812,905.80 and 344,187.20 is: 474,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,059.92 : 812,905.80 = 344,187.20 : x
  2. Step 2: Convert to fraction form
    589,059.92/812,905.80 = 344,187.20/x
  3. Step 3: Cross multiply
    589,059.92x = 812,905.80 × 344,187.20
  4. Step 4: Simplify right side
    589,059.92x = 279,791,771,165.76
  5. Step 5: Solve for x
    x = 279,791,771,165.76/589,059.92
  6. Step 6: Final answer
    x = 474,980.15

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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.