Home / 1,515,731.86-2,091,705.69-836,663.50

Finding the Fourth Proportional to 1,515,731.86, 2,091,705.69 and 836,663.50

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Solution

The fourth proportional to 1,515,731.86, 2,091,705.69 and 836,663.50 is: 1,154,593.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,731.86 : 2,091,705.69 = 836,663.50 : x
  2. Step 2: Convert to fraction form
    1,515,731.86/2,091,705.69 = 836,663.50/x
  3. Step 3: Cross multiply
    1,515,731.86x = 2,091,705.69 × 836,663.50
  4. Step 4: Simplify right side
    1,515,731.86x = 1,750,053,803,565.32
  5. Step 5: Solve for x
    x = 1,750,053,803,565.32/1,515,731.86
  6. Step 6: Final answer
    x = 1,154,593.27

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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.