Home / 917,510.11-1,265,653.58-852,561.68

Finding the Fourth Proportional to 917,510.11, 1,265,653.58 and 852,561.68

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Solution

The fourth proportional to 917,510.11, 1,265,653.58 and 852,561.68 is: 1,176,060.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,510.11 : 1,265,653.58 = 852,561.68 : x
  2. Step 2: Convert to fraction form
    917,510.11/1,265,653.58 = 852,561.68/x
  3. Step 3: Cross multiply
    917,510.11x = 1,265,653.58 × 852,561.68
  4. Step 4: Simplify right side
    917,510.11x = 1,079,047,731,871.74
  5. Step 5: Solve for x
    x = 1,079,047,731,871.74/917,510.11
  6. Step 6: Final answer
    x = 1,176,060.87

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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.