Home / 821,497.51-1,133,626.08-458,849.17

Finding the Fourth Proportional to 821,497.51, 1,133,626.08 and 458,849.17

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Solution

The fourth proportional to 821,497.51, 1,133,626.08 and 458,849.17 is: 633,189.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,497.51 : 1,133,626.08 = 458,849.17 : x
  2. Step 2: Convert to fraction form
    821,497.51/1,133,626.08 = 458,849.17/x
  3. Step 3: Cross multiply
    821,497.51x = 1,133,626.08 × 458,849.17
  4. Step 4: Simplify right side
    821,497.51x = 520,163,385,898.35
  5. Step 5: Solve for x
    x = 520,163,385,898.35/821,497.51
  6. Step 6: Final answer
    x = 633,189.24

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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.