Home / 696,073.20-1,044,109.80-530,185.20

Finding the Fourth Proportional to 696,073.20, 1,044,109.80 and 530,185.20

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Solution

The fourth proportional to 696,073.20, 1,044,109.80 and 530,185.20 is: 795,277.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,073.20 : 1,044,109.80 = 530,185.20 : x
  2. Step 2: Convert to fraction form
    696,073.20/1,044,109.80 = 530,185.20/x
  3. Step 3: Cross multiply
    696,073.20x = 1,044,109.80 × 530,185.20
  4. Step 4: Simplify right side
    696,073.20x = 553,571,563,134.96
  5. Step 5: Solve for x
    x = 553,571,563,134.96/696,073.20
  6. Step 6: Final answer
    x = 795,277.80

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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.