Home / 1,688,207.83-2,329,948.67-962,889.28

Finding the Fourth Proportional to 1,688,207.83, 2,329,948.67 and 962,889.28

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Solution

The fourth proportional to 1,688,207.83, 2,329,948.67 and 962,889.28 is: 1,328,913.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,207.83 : 2,329,948.67 = 962,889.28 : x
  2. Step 2: Convert to fraction form
    1,688,207.83/2,329,948.67 = 962,889.28/x
  3. Step 3: Cross multiply
    1,688,207.83x = 2,329,948.67 × 962,889.28
  4. Step 4: Simplify right side
    1,688,207.83x = 2,243,482,586,653.94
  5. Step 5: Solve for x
    x = 2,243,482,586,653.94/1,688,207.83
  6. Step 6: Final answer
    x = 1,328,913.75

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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.