Home / 623,146.65-858,934.96-486,943.93

Finding the Fourth Proportional to 623,146.65, 858,934.96 and 486,943.93

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Solution

The fourth proportional to 623,146.65, 858,934.96 and 486,943.93 is: 671,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,146.65 : 858,934.96 = 486,943.93 : x
  2. Step 2: Convert to fraction form
    623,146.65/858,934.96 = 486,943.93/x
  3. Step 3: Cross multiply
    623,146.65x = 858,934.96 × 486,943.93
  4. Step 4: Simplify right side
    623,146.65x = 418,253,165,036.79
  5. Step 5: Solve for x
    x = 418,253,165,036.79/623,146.65
  6. Step 6: Final answer
    x = 671,195.40

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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.