Home / 838,811.59-1,157,573.16-456,838.06

Finding the Fourth Proportional to 838,811.59, 1,157,573.16 and 456,838.06

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Solution

The fourth proportional to 838,811.59, 1,157,573.16 and 456,838.06 is: 630,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,811.59 : 1,157,573.16 = 456,838.06 : x
  2. Step 2: Convert to fraction form
    838,811.59/1,157,573.16 = 456,838.06/x
  3. Step 3: Cross multiply
    838,811.59x = 1,157,573.16 × 456,838.06
  4. Step 4: Simplify right side
    838,811.59x = 528,823,476,722.47
  5. Step 5: Solve for x
    x = 528,823,476,722.47/838,811.59
  6. Step 6: Final answer
    x = 630,443.69

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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.