Home / 1,138,355.20-1,709,501.10-606,914.20

Finding the Fourth Proportional to 1,138,355.20, 1,709,501.10 and 606,914.20

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Solution

The fourth proportional to 1,138,355.20, 1,709,501.10 and 606,914.20 is: 911,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,355.20 : 1,709,501.10 = 606,914.20 : x
  2. Step 2: Convert to fraction form
    1,138,355.20/1,709,501.10 = 606,914.20/x
  3. Step 3: Cross multiply
    1,138,355.20x = 1,709,501.10 × 606,914.20
  4. Step 4: Simplify right side
    1,138,355.20x = 1,037,520,492,505.62
  5. Step 5: Solve for x
    x = 1,037,520,492,505.62/1,138,355.20
  6. Step 6: Final answer
    x = 911,420.70

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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.