Home / 1,284,407.96-1,772,523-711,501.44

Finding the Fourth Proportional to 1,284,407.96, 1,772,523 and 711,501.44

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Solution

The fourth proportional to 1,284,407.96, 1,772,523 and 711,501.44 is: 981,894.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,407.96 : 1,772,523 = 711,501.44 : x
  2. Step 2: Convert to fraction form
    1,284,407.96/1,772,523 = 711,501.44/x
  3. Step 3: Cross multiply
    1,284,407.96x = 1,772,523 × 711,501.44
  4. Step 4: Simplify right side
    1,284,407.96x = 1,261,152,658,070.51
  5. Step 5: Solve for x
    x = 1,261,152,658,070.51/1,284,407.96
  6. Step 6: Final answer
    x = 981,894.15

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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.