Home / 1,206,893.20-1,811,360.40-497,430.40

Finding the Fourth Proportional to 1,206,893.20, 1,811,360.40 and 497,430.40

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Solution

The fourth proportional to 1,206,893.20, 1,811,360.40 and 497,430.40 is: 746,566.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,893.20 : 1,811,360.40 = 497,430.40 : x
  2. Step 2: Convert to fraction form
    1,206,893.20/1,811,360.40 = 497,430.40/x
  3. Step 3: Cross multiply
    1,206,893.20x = 1,811,360.40 × 497,430.40
  4. Step 4: Simplify right side
    1,206,893.20x = 901,025,728,316.16
  5. Step 5: Solve for x
    x = 901,025,728,316.16/1,206,893.20
  6. Step 6: Final answer
    x = 746,566.25

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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.