Home / 923,459.82-1,384,857.63-391,019.28

Finding the Fourth Proportional to 923,459.82, 1,384,857.63 and 391,019.28

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Solution

The fourth proportional to 923,459.82, 1,384,857.63 and 391,019.28 is: 586,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,459.82 : 1,384,857.63 = 391,019.28 : x
  2. Step 2: Convert to fraction form
    923,459.82/1,384,857.63 = 391,019.28/x
  3. Step 3: Cross multiply
    923,459.82x = 1,384,857.63 × 391,019.28
  4. Step 4: Simplify right side
    923,459.82x = 541,506,033,385.11
  5. Step 5: Solve for x
    x = 541,506,033,385.11/923,459.82
  6. Step 6: Final answer
    x = 586,388.30

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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.