Home / 977,806.20-1,466,636.40-409,040.40

Finding the Fourth Proportional to 977,806.20, 1,466,636.40 and 409,040.40

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Solution

The fourth proportional to 977,806.20, 1,466,636.40 and 409,040.40 is: 613,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,806.20 : 1,466,636.40 = 409,040.40 : x
  2. Step 2: Convert to fraction form
    977,806.20/1,466,636.40 = 409,040.40/x
  3. Step 3: Cross multiply
    977,806.20x = 1,466,636.40 × 409,040.40
  4. Step 4: Simplify right side
    977,806.20x = 599,913,539,710.56
  5. Step 5: Solve for x
    x = 599,913,539,710.56/977,806.20
  6. Step 6: Final answer
    x = 613,530.10

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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.