Home / 711,801.16-982,376.58-409,995.16

Finding the Fourth Proportional to 711,801.16, 982,376.58 and 409,995.16

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Solution

The fourth proportional to 711,801.16, 982,376.58 and 409,995.16 is: 565,845.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,801.16 : 982,376.58 = 409,995.16 : x
  2. Step 2: Convert to fraction form
    711,801.16/982,376.58 = 409,995.16/x
  3. Step 3: Cross multiply
    711,801.16x = 982,376.58 × 409,995.16
  4. Step 4: Simplify right side
    711,801.16x = 402,769,643,097.35
  5. Step 5: Solve for x
    x = 402,769,643,097.35/711,801.16
  6. Step 6: Final answer
    x = 565,845.72

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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.