Home / 1,069,672.65-1,604,496.60-260,061.66

Finding the Fourth Proportional to 1,069,672.65, 1,604,496.60 and 260,061.66

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Solution

The fourth proportional to 1,069,672.65, 1,604,496.60 and 260,061.66 is: 390,089.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,672.65 : 1,604,496.60 = 260,061.66 : x
  2. Step 2: Convert to fraction form
    1,069,672.65/1,604,496.60 = 260,061.66/x
  3. Step 3: Cross multiply
    1,069,672.65x = 1,604,496.60 × 260,061.66
  4. Step 4: Simplify right side
    1,069,672.65x = 417,268,049,260.36
  5. Step 5: Solve for x
    x = 417,268,049,260.36/1,069,672.65
  6. Step 6: Final answer
    x = 390,089.48

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Double scale
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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.