Home / 916,353.96-1,373,978.50-410,823.56

Finding the Fourth Proportional to 916,353.96, 1,373,978.50 and 410,823.56

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Solution

The fourth proportional to 916,353.96, 1,373,978.50 and 410,823.56 is: 615,987.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,353.96 : 1,373,978.50 = 410,823.56 : x
  2. Step 2: Convert to fraction form
    916,353.96/1,373,978.50 = 410,823.56/x
  3. Step 3: Cross multiply
    916,353.96x = 1,373,978.50 × 410,823.56
  4. Step 4: Simplify right side
    916,353.96x = 564,462,738,733.46
  5. Step 5: Solve for x
    x = 564,462,738,733.46/916,353.96
  6. Step 6: Final answer
    x = 615,987.67

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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.