Home / 822,278.31-1,134,768.99-459,717.45

Finding the Fourth Proportional to 822,278.31, 1,134,768.99 and 459,717.45

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Solution

The fourth proportional to 822,278.31, 1,134,768.99 and 459,717.45 is: 634,424.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,278.31 : 1,134,768.99 = 459,717.45 : x
  2. Step 2: Convert to fraction form
    822,278.31/1,134,768.99 = 459,717.45/x
  3. Step 3: Cross multiply
    822,278.31x = 1,134,768.99 × 459,717.45
  4. Step 4: Simplify right side
    822,278.31x = 521,673,106,421.88
  5. Step 5: Solve for x
    x = 521,673,106,421.88/822,278.31
  6. Step 6: Final answer
    x = 634,424.01

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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.