Home / 803,214.15-1,205,136.30-353,619.59

Finding the Fourth Proportional to 803,214.15, 1,205,136.30 and 353,619.59

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Solution

The fourth proportional to 803,214.15, 1,205,136.30 and 353,619.59 is: 530,568.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,214.15 : 1,205,136.30 = 353,619.59 : x
  2. Step 2: Convert to fraction form
    803,214.15/1,205,136.30 = 353,619.59/x
  3. Step 3: Cross multiply
    803,214.15x = 1,205,136.30 × 353,619.59
  4. Step 4: Simplify right side
    803,214.15x = 426,159,798,274.44
  5. Step 5: Solve for x
    x = 426,159,798,274.44/803,214.15
  6. Step 6: Final answer
    x = 530,568.09

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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.