Home / 589,060.76-812,907.11-330,948.59

Finding the Fourth Proportional to 589,060.76, 812,907.11 and 330,948.59

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Solution

The fourth proportional to 589,060.76, 812,907.11 and 330,948.59 is: 456,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,060.76 : 812,907.11 = 330,948.59 : x
  2. Step 2: Convert to fraction form
    589,060.76/812,907.11 = 330,948.59/x
  3. Step 3: Cross multiply
    589,060.76x = 812,907.11 × 330,948.59
  4. Step 4: Simplify right side
    589,060.76x = 269,030,462,260.12
  5. Step 5: Solve for x
    x = 269,030,462,260.12/589,060.76
  6. Step 6: Final answer
    x = 456,710.89

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Double scale
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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.