Home / 691,135.30-1,036,702.95-573,037.30

Finding the Fourth Proportional to 691,135.30, 1,036,702.95 and 573,037.30

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Solution

The fourth proportional to 691,135.30, 1,036,702.95 and 573,037.30 is: 859,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,135.30 : 1,036,702.95 = 573,037.30 : x
  2. Step 2: Convert to fraction form
    691,135.30/1,036,702.95 = 573,037.30/x
  3. Step 3: Cross multiply
    691,135.30x = 1,036,702.95 × 573,037.30
  4. Step 4: Simplify right side
    691,135.30x = 594,069,459,370.04
  5. Step 5: Solve for x
    x = 594,069,459,370.04/691,135.30
  6. Step 6: Final answer
    x = 859,555.95

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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.