Home / 1,688,488.70-2,330,118.15-914,127.69

Finding the Fourth Proportional to 1,688,488.70, 2,330,118.15 and 914,127.69

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Solution

The fourth proportional to 1,688,488.70, 2,330,118.15 and 914,127.69 is: 1,261,498.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,488.70 : 2,330,118.15 = 914,127.69 : x
  2. Step 2: Convert to fraction form
    1,688,488.70/2,330,118.15 = 914,127.69/x
  3. Step 3: Cross multiply
    1,688,488.70x = 2,330,118.15 × 914,127.69
  4. Step 4: Simplify right side
    1,688,488.70x = 2,130,025,521,886.57
  5. Step 5: Solve for x
    x = 2,130,025,521,886.57/1,688,488.70
  6. Step 6: Final answer
    x = 1,261,498.24

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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.