Home / 578,087.80-867,282.90-223,113.40

Finding the Fourth Proportional to 578,087.80, 867,282.90 and 223,113.40

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Solution

The fourth proportional to 578,087.80, 867,282.90 and 223,113.40 is: 334,728.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,087.80 : 867,282.90 = 223,113.40 : x
  2. Step 2: Convert to fraction form
    578,087.80/867,282.90 = 223,113.40/x
  3. Step 3: Cross multiply
    578,087.80x = 867,282.90 × 223,113.40
  4. Step 4: Simplify right side
    578,087.80x = 193,502,436,580.86
  5. Step 5: Solve for x
    x = 193,502,436,580.86/578,087.80
  6. Step 6: Final answer
    x = 334,728.46

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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.