Home / 1,688,494.86-2,330,126.67-914,133.86

Finding the Fourth Proportional to 1,688,494.86, 2,330,126.67 and 914,133.86

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Solution

The fourth proportional to 1,688,494.86, 2,330,126.67 and 914,133.86 is: 1,261,506.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,494.86 : 2,330,126.67 = 914,133.86 : x
  2. Step 2: Convert to fraction form
    1,688,494.86/2,330,126.67 = 914,133.86/x
  3. Step 3: Cross multiply
    1,688,494.86x = 2,330,126.67 × 914,133.86
  4. Step 4: Simplify right side
    1,688,494.86x = 2,130,047,675,485.41
  5. Step 5: Solve for x
    x = 2,130,047,675,485.41/1,688,494.86
  6. Step 6: Final answer
    x = 1,261,506.76

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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.