Home / 1,119,228.30-1,679,498.55-409,328.10

Finding the Fourth Proportional to 1,119,228.30, 1,679,498.55 and 409,328.10

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Solution

The fourth proportional to 1,119,228.30, 1,679,498.55 and 409,328.10 is: 614,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,228.30 : 1,679,498.55 = 409,328.10 : x
  2. Step 2: Convert to fraction form
    1,119,228.30/1,679,498.55 = 409,328.10/x
  3. Step 3: Cross multiply
    1,119,228.30x = 1,679,498.55 × 409,328.10
  4. Step 4: Simplify right side
    1,119,228.30x = 687,465,950,424.26
  5. Step 5: Solve for x
    x = 687,465,950,424.26/1,119,228.30
  6. Step 6: Final answer
    x = 614,232.10

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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.