Home / 1,213,250.40-1,819,875.60-933,314.40

Finding the Fourth Proportional to 1,213,250.40, 1,819,875.60 and 933,314.40

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Solution

The fourth proportional to 1,213,250.40, 1,819,875.60 and 933,314.40 is: 1,399,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,250.40 : 1,819,875.60 = 933,314.40 : x
  2. Step 2: Convert to fraction form
    1,213,250.40/1,819,875.60 = 933,314.40/x
  3. Step 3: Cross multiply
    1,213,250.40x = 1,819,875.60 × 933,314.40
  4. Step 4: Simplify right side
    1,213,250.40x = 1,698,516,103,688.64
  5. Step 5: Solve for x
    x = 1,698,516,103,688.64/1,213,250.40
  6. Step 6: Final answer
    x = 1,399,971.60

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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.