Home / 486,599.91-671,501.14-282,766.02

Finding the Fourth Proportional to 486,599.91, 671,501.14 and 282,766.02

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Solution

The fourth proportional to 486,599.91, 671,501.14 and 282,766.02 is: 390,213.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,599.91 : 671,501.14 = 282,766.02 : x
  2. Step 2: Convert to fraction form
    486,599.91/671,501.14 = 282,766.02/x
  3. Step 3: Cross multiply
    486,599.91x = 671,501.14 × 282,766.02
  4. Step 4: Simplify right side
    486,599.91x = 189,877,704,783.26
  5. Step 5: Solve for x
    x = 189,877,704,783.26/486,599.91
  6. Step 6: Final answer
    x = 390,213.19

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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.