Home / 908,436.60-1,362,654.90-609,838.20

Finding the Fourth Proportional to 908,436.60, 1,362,654.90 and 609,838.20

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Solution

The fourth proportional to 908,436.60, 1,362,654.90 and 609,838.20 is: 914,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,436.60 : 1,362,654.90 = 609,838.20 : x
  2. Step 2: Convert to fraction form
    908,436.60/1,362,654.90 = 609,838.20/x
  3. Step 3: Cross multiply
    908,436.60x = 1,362,654.90 × 609,838.20
  4. Step 4: Simplify right side
    908,436.60x = 830,999,011,437.18
  5. Step 5: Solve for x
    x = 830,999,011,437.18/908,436.60
  6. Step 6: Final answer
    x = 914,757.30

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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.