Home / 558,499.04-831,431.41-555,177.50

Finding the Fourth Proportional to 558,499.04, 831,431.41 and 555,177.50

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Solution

The fourth proportional to 558,499.04, 831,431.41 and 555,177.50 is: 826,486.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,499.04 : 831,431.41 = 555,177.50 : x
  2. Step 2: Convert to fraction form
    558,499.04/831,431.41 = 555,177.50/x
  3. Step 3: Cross multiply
    558,499.04x = 831,431.41 × 555,177.50
  4. Step 4: Simplify right side
    558,499.04x = 461,592,011,625.28
  5. Step 5: Solve for x
    x = 461,592,011,625.28/558,499.04
  6. Step 6: Final answer
    x = 826,486.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.