Home / 933,140.40-1,399,710.60-917,588.40

Finding the Fourth Proportional to 933,140.40, 1,399,710.60 and 917,588.40

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Solution

The fourth proportional to 933,140.40, 1,399,710.60 and 917,588.40 is: 1,376,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,140.40 : 1,399,710.60 = 917,588.40 : x
  2. Step 2: Convert to fraction form
    933,140.40/1,399,710.60 = 917,588.40/x
  3. Step 3: Cross multiply
    933,140.40x = 1,399,710.60 × 917,588.40
  4. Step 4: Simplify right side
    933,140.40x = 1,284,358,209,917.04
  5. Step 5: Solve for x
    x = 1,284,358,209,917.04/933,140.40
  6. Step 6: Final answer
    x = 1,376,382.60

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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.