Home / 1,158,309.17-1,735,950.58-645,953.87

Finding the Fourth Proportional to 1,158,309.17, 1,735,950.58 and 645,953.87

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Solution

The fourth proportional to 1,158,309.17, 1,735,950.58 and 645,953.87 is: 968,086.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,309.17 : 1,735,950.58 = 645,953.87 : x
  2. Step 2: Convert to fraction form
    1,158,309.17/1,735,950.58 = 645,953.87/x
  3. Step 3: Cross multiply
    1,158,309.17x = 1,735,950.58 × 645,953.87
  4. Step 4: Simplify right side
    1,158,309.17x = 1,121,343,984,985.11
  5. Step 5: Solve for x
    x = 1,121,343,984,985.11/1,158,309.17
  6. Step 6: Final answer
    x = 968,086.94

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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.