Home / 784,938.30-1,083,226.14-440,848.68

Finding the Fourth Proportional to 784,938.30, 1,083,226.14 and 440,848.68

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Solution

The fourth proportional to 784,938.30, 1,083,226.14 and 440,848.68 is: 608,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,938.30 : 1,083,226.14 = 440,848.68 : x
  2. Step 2: Convert to fraction form
    784,938.30/1,083,226.14 = 440,848.68/x
  3. Step 3: Cross multiply
    784,938.30x = 1,083,226.14 × 440,848.68
  4. Step 4: Simplify right side
    784,938.30x = 477,538,813,960.50
  5. Step 5: Solve for x
    x = 477,538,813,960.50/784,938.30
  6. Step 6: Final answer
    x = 608,377.52

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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.