Home / 436,101.30-654,151.95-286,802.10

Finding the Fourth Proportional to 436,101.30, 654,151.95 and 286,802.10

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Solution

The fourth proportional to 436,101.30, 654,151.95 and 286,802.10 is: 430,203.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,101.30 : 654,151.95 = 286,802.10 : x
  2. Step 2: Convert to fraction form
    436,101.30/654,151.95 = 286,802.10/x
  3. Step 3: Cross multiply
    436,101.30x = 654,151.95 × 286,802.10
  4. Step 4: Simplify right side
    436,101.30x = 187,612,152,979.10
  5. Step 5: Solve for x
    x = 187,612,152,979.10/436,101.30
  6. Step 6: Final answer
    x = 430,203.15

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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.