Home / 623,145.65-858,933.59-486,942.93

Finding the Fourth Proportional to 623,145.65, 858,933.59 and 486,942.93

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Solution

The fourth proportional to 623,145.65, 858,933.59 and 486,942.93 is: 671,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,145.65 : 858,933.59 = 486,942.93 : x
  2. Step 2: Convert to fraction form
    623,145.65/858,933.59 = 486,942.93/x
  3. Step 3: Cross multiply
    623,145.65x = 858,933.59 × 486,942.93
  4. Step 4: Simplify right side
    623,145.65x = 418,251,636,555.30
  5. Step 5: Solve for x
    x = 418,251,636,555.30/623,145.65
  6. Step 6: Final answer
    x = 671,194.03

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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.