Home / 1,140,102.02-1,573,316.51-623,853.78

Finding the Fourth Proportional to 1,140,102.02, 1,573,316.51 and 623,853.78

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Solution

The fourth proportional to 1,140,102.02, 1,573,316.51 and 623,853.78 is: 860,904.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,102.02 : 1,573,316.51 = 623,853.78 : x
  2. Step 2: Convert to fraction form
    1,140,102.02/1,573,316.51 = 623,853.78/x
  3. Step 3: Cross multiply
    1,140,102.02x = 1,573,316.51 × 623,853.78
  4. Step 4: Simplify right side
    1,140,102.02x = 981,519,448,780.64
  5. Step 5: Solve for x
    x = 981,519,448,780.64/1,140,102.02
  6. Step 6: Final answer
    x = 860,904.93

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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.