Home / 761,470.08-1,050,695.48-434,633.86

Finding the Fourth Proportional to 761,470.08, 1,050,695.48 and 434,633.86

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Solution

The fourth proportional to 761,470.08, 1,050,695.48 and 434,633.86 is: 599,718.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,470.08 : 1,050,695.48 = 434,633.86 : x
  2. Step 2: Convert to fraction form
    761,470.08/1,050,695.48 = 434,633.86/x
  3. Step 3: Cross multiply
    761,470.08x = 1,050,695.48 × 434,633.86
  4. Step 4: Simplify right side
    761,470.08x = 456,667,832,156.95
  5. Step 5: Solve for x
    x = 456,667,832,156.95/761,470.08
  6. Step 6: Final answer
    x = 599,718.68

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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.