Home / 1,688,393.63-2,329,980.53-914,024.25

Finding the Fourth Proportional to 1,688,393.63, 2,329,980.53 and 914,024.25

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Solution

The fourth proportional to 1,688,393.63, 2,329,980.53 and 914,024.25 is: 1,261,352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,393.63 : 2,329,980.53 = 914,024.25 : x
  2. Step 2: Convert to fraction form
    1,688,393.63/2,329,980.53 = 914,024.25/x
  3. Step 3: Cross multiply
    1,688,393.63x = 2,329,980.53 × 914,024.25
  4. Step 4: Simplify right side
    1,688,393.63x = 2,129,658,701,877.73
  5. Step 5: Solve for x
    x = 2,129,658,701,877.73/1,688,393.63
  6. Step 6: Final answer
    x = 1,261,352.01

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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.