Home / 1,358,819.20-2,037,710.40-411,875.20

Finding the Fourth Proportional to 1,358,819.20, 2,037,710.40 and 411,875.20

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Solution

The fourth proportional to 1,358,819.20, 2,037,710.40 and 411,875.20 is: 617,655.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,819.20 : 2,037,710.40 = 411,875.20 : x
  2. Step 2: Convert to fraction form
    1,358,819.20/2,037,710.40 = 411,875.20/x
  3. Step 3: Cross multiply
    1,358,819.20x = 2,037,710.40 × 411,875.20
  4. Step 4: Simplify right side
    1,358,819.20x = 839,282,378,542.08
  5. Step 5: Solve for x
    x = 839,282,378,542.08/1,358,819.20
  6. Step 6: Final answer
    x = 617,655.67

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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.