Home / 740,465.00-1,021,842.43-400,932.44

Finding the Fourth Proportional to 740,465.00, 1,021,842.43 and 400,932.44

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Solution

The fourth proportional to 740,465.00, 1,021,842.43 and 400,932.44 is: 553,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,465.00 : 1,021,842.43 = 400,932.44 : x
  2. Step 2: Convert to fraction form
    740,465.00/1,021,842.43 = 400,932.44/x
  3. Step 3: Cross multiply
    740,465.00x = 1,021,842.43 × 400,932.44
  4. Step 4: Simplify right side
    740,465.00x = 409,689,772,643.89
  5. Step 5: Solve for x
    x = 409,689,772,643.89/740,465.00
  6. Step 6: Final answer
    x = 553,287.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.