Home / 559,726.08-772,434.24-305,089.92

Finding the Fourth Proportional to 559,726.08, 772,434.24 and 305,089.92

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Solution

The fourth proportional to 559,726.08, 772,434.24 and 305,089.92 is: 421,030.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,726.08 : 772,434.24 = 305,089.92 : x
  2. Step 2: Convert to fraction form
    559,726.08/772,434.24 = 305,089.92/x
  3. Step 3: Cross multiply
    559,726.08x = 772,434.24 × 305,089.92
  4. Step 4: Simplify right side
    559,726.08x = 235,661,900,486.86
  5. Step 5: Solve for x
    x = 235,661,900,486.86/559,726.08
  6. Step 6: Final answer
    x = 421,030.77

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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.