Home / 1,712,927.84-2,569,191.58-688,216.58

Finding the Fourth Proportional to 1,712,927.84, 2,569,191.58 and 688,216.58

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Solution

The fourth proportional to 1,712,927.84, 2,569,191.58 and 688,216.58 is: 1,032,244.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,927.84 : 2,569,191.58 = 688,216.58 : x
  2. Step 2: Convert to fraction form
    1,712,927.84/2,569,191.58 = 688,216.58/x
  3. Step 3: Cross multiply
    1,712,927.84x = 2,569,191.58 × 688,216.58
  4. Step 4: Simplify right side
    1,712,927.84x = 1,768,160,242,552.40
  5. Step 5: Solve for x
    x = 1,768,160,242,552.40/1,712,927.84
  6. Step 6: Final answer
    x = 1,032,244.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.