Home / 761,443.86-1,141,362.06-255,525.15

Finding the Fourth Proportional to 761,443.86, 1,141,362.06 and 255,525.15

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Solution

The fourth proportional to 761,443.86, 1,141,362.06 and 255,525.15 is: 383,018.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,443.86 : 1,141,362.06 = 255,525.15 : x
  2. Step 2: Convert to fraction form
    761,443.86/1,141,362.06 = 255,525.15/x
  3. Step 3: Cross multiply
    761,443.86x = 1,141,362.06 × 255,525.15
  4. Step 4: Simplify right side
    761,443.86x = 291,646,711,585.81
  5. Step 5: Solve for x
    x = 291,646,711,585.81/761,443.86
  6. Step 6: Final answer
    x = 383,018.01

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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.