Home / 1,335,154.04-1,842,505-723,318.72

Finding the Fourth Proportional to 1,335,154.04, 1,842,505 and 723,318.72

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Solution

The fourth proportional to 1,335,154.04, 1,842,505 and 723,318.72 is: 998,175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,154.04 : 1,842,505 = 723,318.72 : x
  2. Step 2: Convert to fraction form
    1,335,154.04/1,842,505 = 723,318.72/x
  3. Step 3: Cross multiply
    1,335,154.04x = 1,842,505 × 723,318.72
  4. Step 4: Simplify right side
    1,335,154.04x = 1,332,718,358,193.60
  5. Step 5: Solve for x
    x = 1,332,718,358,193.60/1,335,154.04
  6. Step 6: Final answer
    x = 998,175.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.