Home / 1,208,513.20-1,812,712.20-409,716.40

Finding the Fourth Proportional to 1,208,513.20, 1,812,712.20 and 409,716.40

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Solution

The fourth proportional to 1,208,513.20, 1,812,712.20 and 409,716.40 is: 614,555.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,513.20 : 1,812,712.20 = 409,716.40 : x
  2. Step 2: Convert to fraction form
    1,208,513.20/1,812,712.20 = 409,716.40/x
  3. Step 3: Cross multiply
    1,208,513.20x = 1,812,712.20 × 409,716.40
  4. Step 4: Simplify right side
    1,208,513.20x = 742,697,916,820.08
  5. Step 5: Solve for x
    x = 742,697,916,820.08/1,208,513.20
  6. Step 6: Final answer
    x = 614,555.07

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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.