Home / 883,605.48-1,219,317.56-521,011.80

Finding the Fourth Proportional to 883,605.48, 1,219,317.56 and 521,011.80

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Solution

The fourth proportional to 883,605.48, 1,219,317.56 and 521,011.80 is: 718,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,605.48 : 1,219,317.56 = 521,011.80 : x
  2. Step 2: Convert to fraction form
    883,605.48/1,219,317.56 = 521,011.80/x
  3. Step 3: Cross multiply
    883,605.48x = 1,219,317.56 × 521,011.80
  4. Step 4: Simplify right side
    883,605.48x = 635,278,836,707.21
  5. Step 5: Solve for x
    x = 635,278,836,707.21/883,605.48
  6. Step 6: Final answer
    x = 718,962.08

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1.5x scale

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.