Home / 688,244.44-1,030,705.48-413,901.69

Finding the Fourth Proportional to 688,244.44, 1,030,705.48 and 413,901.69

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Solution

The fourth proportional to 688,244.44, 1,030,705.48 and 413,901.69 is: 619,853.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,244.44 : 1,030,705.48 = 413,901.69 : x
  2. Step 2: Convert to fraction form
    688,244.44/1,030,705.48 = 413,901.69/x
  3. Step 3: Cross multiply
    688,244.44x = 1,030,705.48 × 413,901.69
  4. Step 4: Simplify right side
    688,244.44x = 426,610,740,064.26
  5. Step 5: Solve for x
    x = 426,610,740,064.26/688,244.44
  6. Step 6: Final answer
    x = 619,853.52

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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.