Home / 772,942.65-1,159,421.45-293,041.40

Finding the Fourth Proportional to 772,942.65, 1,159,421.45 and 293,041.40

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Solution

The fourth proportional to 772,942.65, 1,159,421.45 and 293,041.40 is: 439,564.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,942.65 : 1,159,421.45 = 293,041.40 : x
  2. Step 2: Convert to fraction form
    772,942.65/1,159,421.45 = 293,041.40/x
  3. Step 3: Cross multiply
    772,942.65x = 1,159,421.45 × 293,041.40
  4. Step 4: Simplify right side
    772,942.65x = 339,758,477,635.72
  5. Step 5: Solve for x
    x = 339,758,477,635.72/772,942.65
  6. Step 6: Final answer
    x = 439,564.92

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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.