Home / 711,590.13-982,037.93-409,881.33

Finding the Fourth Proportional to 711,590.13, 982,037.93 and 409,881.33

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Solution

The fourth proportional to 711,590.13, 982,037.93 and 409,881.33 is: 565,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,590.13 : 982,037.93 = 409,881.33 : x
  2. Step 2: Convert to fraction form
    711,590.13/982,037.93 = 409,881.33/x
  3. Step 3: Cross multiply
    711,590.13x = 982,037.93 × 409,881.33
  4. Step 4: Simplify right side
    711,590.13x = 402,519,010,809.44
  5. Step 5: Solve for x
    x = 402,519,010,809.44/711,590.13
  6. Step 6: Final answer
    x = 565,661.32

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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.