Home / 713,058.12-983,895.48-406,994.76

Finding the Fourth Proportional to 713,058.12, 983,895.48 and 406,994.76

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Solution

The fourth proportional to 713,058.12, 983,895.48 and 406,994.76 is: 561,581.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,058.12 : 983,895.48 = 406,994.76 : x
  2. Step 2: Convert to fraction form
    713,058.12/983,895.48 = 406,994.76/x
  3. Step 3: Cross multiply
    713,058.12x = 983,895.48 × 406,994.76
  4. Step 4: Simplify right side
    713,058.12x = 400,440,304,747.69
  5. Step 5: Solve for x
    x = 400,440,304,747.69/713,058.12
  6. Step 6: Final answer
    x = 561,581.58

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Double scale
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Similar ratio
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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.