Home / 910,095.75-1,255,932.14-507,687.75

Finding the Fourth Proportional to 910,095.75, 1,255,932.14 and 507,687.75

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Solution

The fourth proportional to 910,095.75, 1,255,932.14 and 507,687.75 is: 700,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,095.75 : 1,255,932.14 = 507,687.75 : x
  2. Step 2: Convert to fraction form
    910,095.75/1,255,932.14 = 507,687.75/x
  3. Step 3: Cross multiply
    910,095.75x = 1,255,932.14 × 507,687.75
  4. Step 4: Simplify right side
    910,095.75x = 637,621,359,770.85
  5. Step 5: Solve for x
    x = 637,621,359,770.85/910,095.75
  6. Step 6: Final answer
    x = 700,609.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.