Home / 977,886.30-1,465,663.05-409,266.30

Finding the Fourth Proportional to 977,886.30, 1,465,663.05 and 409,266.30

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Solution

The fourth proportional to 977,886.30, 1,465,663.05 and 409,266.30 is: 613,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,886.30 : 1,465,663.05 = 409,266.30 : x
  2. Step 2: Convert to fraction form
    977,886.30/1,465,663.05 = 409,266.30/x
  3. Step 3: Cross multiply
    977,886.30x = 1,465,663.05 × 409,266.30
  4. Step 4: Simplify right side
    977,886.30x = 599,846,493,520.22
  5. Step 5: Solve for x
    x = 599,846,493,520.22/977,886.30
  6. Step 6: Final answer
    x = 613,411.29

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1.5x scale

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.