Home / 1,235,939.60-1,857,019.80-786,875.60

Finding the Fourth Proportional to 1,235,939.60, 1,857,019.80 and 786,875.60

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Solution

The fourth proportional to 1,235,939.60, 1,857,019.80 and 786,875.60 is: 1,182,293.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,939.60 : 1,857,019.80 = 786,875.60 : x
  2. Step 2: Convert to fraction form
    1,235,939.60/1,857,019.80 = 786,875.60/x
  3. Step 3: Cross multiply
    1,235,939.60x = 1,857,019.80 × 786,875.60
  4. Step 4: Simplify right side
    1,235,939.60x = 1,461,243,569,336.88
  5. Step 5: Solve for x
    x = 1,461,243,569,336.88/1,235,939.60
  6. Step 6: Final answer
    x = 1,182,293.67

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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.