Home / 697,666.10-1,044,166.35-487,714.10

Finding the Fourth Proportional to 697,666.10, 1,044,166.35 and 487,714.10

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Solution

The fourth proportional to 697,666.10, 1,044,166.35 and 487,714.10 is: 729,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,666.10 : 1,044,166.35 = 487,714.10 : x
  2. Step 2: Convert to fraction form
    697,666.10/1,044,166.35 = 487,714.10/x
  3. Step 3: Cross multiply
    697,666.10x = 1,044,166.35 × 487,714.10
  4. Step 4: Simplify right side
    697,666.10x = 509,254,651,640.54
  5. Step 5: Solve for x
    x = 509,254,651,640.54/697,666.10
  6. Step 6: Final answer
    x = 729,940.37

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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.