Home / 933,623.40-1,400,435.10-918,071.40

Finding the Fourth Proportional to 933,623.40, 1,400,435.10 and 918,071.40

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Solution

The fourth proportional to 933,623.40, 1,400,435.10 and 918,071.40 is: 1,377,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,623.40 : 1,400,435.10 = 918,071.40 : x
  2. Step 2: Convert to fraction form
    933,623.40/1,400,435.10 = 918,071.40/x
  3. Step 3: Cross multiply
    933,623.40x = 1,400,435.10 × 918,071.40
  4. Step 4: Simplify right side
    933,623.40x = 1,285,699,412,866.14
  5. Step 5: Solve for x
    x = 1,285,699,412,866.14/933,623.40
  6. Step 6: Final answer
    x = 1,377,107.10

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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.