Home / 693,260.10-1,039,890.15-243,977.40

Finding the Fourth Proportional to 693,260.10, 1,039,890.15 and 243,977.40

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Solution

The fourth proportional to 693,260.10, 1,039,890.15 and 243,977.40 is: 365,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,260.10 : 1,039,890.15 = 243,977.40 : x
  2. Step 2: Convert to fraction form
    693,260.10/1,039,890.15 = 243,977.40/x
  3. Step 3: Cross multiply
    693,260.10x = 1,039,890.15 × 243,977.40
  4. Step 4: Simplify right side
    693,260.10x = 253,709,695,082.61
  5. Step 5: Solve for x
    x = 253,709,695,082.61/693,260.10
  6. Step 6: Final answer
    x = 365,966.10

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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.