Home / 1,010,070.50-1,393,926.45-557,390.66

Finding the Fourth Proportional to 1,010,070.50, 1,393,926.45 and 557,390.66

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Solution

The fourth proportional to 1,010,070.50, 1,393,926.45 and 557,390.66 is: 769,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,070.50 : 1,393,926.45 = 557,390.66 : x
  2. Step 2: Convert to fraction form
    1,010,070.50/1,393,926.45 = 557,390.66/x
  3. Step 3: Cross multiply
    1,010,070.50x = 1,393,926.45 × 557,390.66
  4. Step 4: Simplify right side
    1,010,070.50x = 776,961,583,956.96
  5. Step 5: Solve for x
    x = 776,961,583,956.96/1,010,070.50
  6. Step 6: Final answer
    x = 769,215.20

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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.