Home / 460,386.04-635,292.30-256,421.56

Finding the Fourth Proportional to 460,386.04, 635,292.30 and 256,421.56

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Solution

The fourth proportional to 460,386.04, 635,292.30 and 256,421.56 is: 353,839.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,386.04 : 635,292.30 = 256,421.56 : x
  2. Step 2: Convert to fraction form
    460,386.04/635,292.30 = 256,421.56/x
  3. Step 3: Cross multiply
    460,386.04x = 635,292.30 × 256,421.56
  4. Step 4: Simplify right side
    460,386.04x = 162,902,642,621.99
  5. Step 5: Solve for x
    x = 162,902,642,621.99/460,386.04
  6. Step 6: Final answer
    x = 353,839.23

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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.