Home / 691,145.30-1,036,717.95-573,047.30

Finding the Fourth Proportional to 691,145.30, 1,036,717.95 and 573,047.30

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Solution

The fourth proportional to 691,145.30, 1,036,717.95 and 573,047.30 is: 859,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,145.30 : 1,036,717.95 = 573,047.30 : x
  2. Step 2: Convert to fraction form
    691,145.30/1,036,717.95 = 573,047.30/x
  3. Step 3: Cross multiply
    691,145.30x = 1,036,717.95 × 573,047.30
  4. Step 4: Simplify right side
    691,145.30x = 594,088,422,109.04
  5. Step 5: Solve for x
    x = 594,088,422,109.04/691,145.30
  6. Step 6: Final answer
    x = 859,570.95

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.