Home / 926,858.60-1,390,287.90-746,455.40

Finding the Fourth Proportional to 926,858.60, 1,390,287.90 and 746,455.40

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Solution

The fourth proportional to 926,858.60, 1,390,287.90 and 746,455.40 is: 1,119,683.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,858.60 : 1,390,287.90 = 746,455.40 : x
  2. Step 2: Convert to fraction form
    926,858.60/1,390,287.90 = 746,455.40/x
  3. Step 3: Cross multiply
    926,858.60x = 1,390,287.90 × 746,455.40
  4. Step 4: Simplify right side
    926,858.60x = 1,037,787,910,509.66
  5. Step 5: Solve for x
    x = 1,037,787,910,509.66/926,858.60
  6. Step 6: Final answer
    x = 1,119,683.10

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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.