Home / 908,102.34-1,253,189.88-500,205.98

Finding the Fourth Proportional to 908,102.34, 1,253,189.88 and 500,205.98

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Solution

The fourth proportional to 908,102.34, 1,253,189.88 and 500,205.98 is: 690,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,102.34 : 1,253,189.88 = 500,205.98 : x
  2. Step 2: Convert to fraction form
    908,102.34/1,253,189.88 = 500,205.98/x
  3. Step 3: Cross multiply
    908,102.34x = 1,253,189.88 × 500,205.98
  4. Step 4: Simplify right side
    908,102.34x = 626,853,075,184.46
  5. Step 5: Solve for x
    x = 626,853,075,184.46/908,102.34
  6. Step 6: Final answer
    x = 690,289.02

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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.