Home / 1,077,960.96-1,487,654.10-619,219.08

Finding the Fourth Proportional to 1,077,960.96, 1,487,654.10 and 619,219.08

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Solution

The fourth proportional to 1,077,960.96, 1,487,654.10 and 619,219.08 is: 854,561.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,960.96 : 1,487,654.10 = 619,219.08 : x
  2. Step 2: Convert to fraction form
    1,077,960.96/1,487,654.10 = 619,219.08/x
  3. Step 3: Cross multiply
    1,077,960.96x = 1,487,654.10 × 619,219.08
  4. Step 4: Simplify right side
    1,077,960.96x = 921,183,803,160.23
  5. Step 5: Solve for x
    x = 921,183,803,160.23/1,077,960.96
  6. Step 6: Final answer
    x = 854,561.38

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Double scale
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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.