Home / 657,206.60-985,518.30-302,037.80

Finding the Fourth Proportional to 657,206.60, 985,518.30 and 302,037.80

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Solution

The fourth proportional to 657,206.60, 985,518.30 and 302,037.80 is: 452,922.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,206.60 : 985,518.30 = 302,037.80 : x
  2. Step 2: Convert to fraction form
    657,206.60/985,518.30 = 302,037.80/x
  3. Step 3: Cross multiply
    657,206.60x = 985,518.30 × 302,037.80
  4. Step 4: Simplify right side
    657,206.60x = 297,663,779,191.74
  5. Step 5: Solve for x
    x = 297,663,779,191.74/657,206.60
  6. Step 6: Final answer
    x = 452,922.69

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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.