Home / 740,956.83-1,022,521.50-401,425.08

Finding the Fourth Proportional to 740,956.83, 1,022,521.50 and 401,425.08

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Solution

The fourth proportional to 740,956.83, 1,022,521.50 and 401,425.08 is: 553,967.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,956.83 : 1,022,521.50 = 401,425.08 : x
  2. Step 2: Convert to fraction form
    740,956.83/1,022,521.50 = 401,425.08/x
  3. Step 3: Cross multiply
    740,956.83x = 1,022,521.50 × 401,425.08
  4. Step 4: Simplify right side
    740,956.83x = 410,465,774,939.22
  5. Step 5: Solve for x
    x = 410,465,774,939.22/740,956.83
  6. Step 6: Final answer
    x = 553,967.19

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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.