Home / 1,456,284.28-2,184,424.53-391,326.36

Finding the Fourth Proportional to 1,456,284.28, 2,184,424.53 and 391,326.36

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Solution

The fourth proportional to 1,456,284.28, 2,184,424.53 and 391,326.36 is: 586,989.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,284.28 : 2,184,424.53 = 391,326.36 : x
  2. Step 2: Convert to fraction form
    1,456,284.28/2,184,424.53 = 391,326.36/x
  3. Step 3: Cross multiply
    1,456,284.28x = 2,184,424.53 × 391,326.36
  4. Step 4: Simplify right side
    1,456,284.28x = 854,822,900,019.61
  5. Step 5: Solve for x
    x = 854,822,900,019.61/1,456,284.28
  6. Step 6: Final answer
    x = 586,989.03

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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.