Home / 578,427.40-867,381.90-223,323.40

Finding the Fourth Proportional to 578,427.40, 867,381.90 and 223,323.40

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Solution

The fourth proportional to 578,427.40, 867,381.90 and 223,323.40 is: 334,885.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,427.40 : 867,381.90 = 223,323.40 : x
  2. Step 2: Convert to fraction form
    578,427.40/867,381.90 = 223,323.40/x
  3. Step 3: Cross multiply
    578,427.40x = 867,381.90 × 223,323.40
  4. Step 4: Simplify right side
    578,427.40x = 193,706,675,006.46
  5. Step 5: Solve for x
    x = 193,706,675,006.46/578,427.40
  6. Step 6: Final answer
    x = 334,885.03

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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.