Home / 761,144.04-1,141,889.04-255,666.24

Finding the Fourth Proportional to 761,144.04, 1,141,889.04 and 255,666.24

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Solution

The fourth proportional to 761,144.04, 1,141,889.04 and 255,666.24 is: 383,557.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,144.04 : 1,141,889.04 = 255,666.24 : x
  2. Step 2: Convert to fraction form
    761,144.04/1,141,889.04 = 255,666.24/x
  3. Step 3: Cross multiply
    761,144.04x = 1,141,889.04 × 255,666.24
  4. Step 4: Simplify right side
    761,144.04x = 291,942,477,354.01
  5. Step 5: Solve for x
    x = 291,942,477,354.01/761,144.04
  6. Step 6: Final answer
    x = 383,557.46

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Double scale
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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.