Home / 734,765.40-1,102,148.10-548,141.40

Finding the Fourth Proportional to 734,765.40, 1,102,148.10 and 548,141.40

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Solution

The fourth proportional to 734,765.40, 1,102,148.10 and 548,141.40 is: 822,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,765.40 : 1,102,148.10 = 548,141.40 : x
  2. Step 2: Convert to fraction form
    734,765.40/1,102,148.10 = 548,141.40/x
  3. Step 3: Cross multiply
    734,765.40x = 1,102,148.10 × 548,141.40
  4. Step 4: Simplify right side
    734,765.40x = 604,133,002,541.34
  5. Step 5: Solve for x
    x = 604,133,002,541.34/734,765.40
  6. Step 6: Final answer
    x = 822,212.10

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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.