Home / 693,312.04-956,815.23-406,727.56

Finding the Fourth Proportional to 693,312.04, 956,815.23 and 406,727.56

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Solution

The fourth proportional to 693,312.04, 956,815.23 and 406,727.56 is: 561,310.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,312.04 : 956,815.23 = 406,727.56 : x
  2. Step 2: Convert to fraction form
    693,312.04/956,815.23 = 406,727.56/x
  3. Step 3: Cross multiply
    693,312.04x = 956,815.23 × 406,727.56
  4. Step 4: Simplify right side
    693,312.04x = 389,163,123,868.74
  5. Step 5: Solve for x
    x = 389,163,123,868.74/693,312.04
  6. Step 6: Final answer
    x = 561,310.21

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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.