Home / 507,721.02-761,696.45-170,752.42

Finding the Fourth Proportional to 507,721.02, 761,696.45 and 170,752.42

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Solution

The fourth proportional to 507,721.02, 761,696.45 and 170,752.42 is: 256,167.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,721.02 : 761,696.45 = 170,752.42 : x
  2. Step 2: Convert to fraction form
    507,721.02/761,696.45 = 170,752.42/x
  3. Step 3: Cross multiply
    507,721.02x = 761,696.45 × 170,752.42
  4. Step 4: Simplify right side
    507,721.02x = 130,061,513,842.07
  5. Step 5: Solve for x
    x = 130,061,513,842.07/507,721.02
  6. Step 6: Final answer
    x = 256,167.28

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1.5x scale

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.