Home / 856,373.47-1,181,492.40-511,970.38

Finding the Fourth Proportional to 856,373.47, 1,181,492.40 and 511,970.38

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Solution

The fourth proportional to 856,373.47, 1,181,492.40 and 511,970.38 is: 706,337.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,373.47 : 1,181,492.40 = 511,970.38 : x
  2. Step 2: Convert to fraction form
    856,373.47/1,181,492.40 = 511,970.38/x
  3. Step 3: Cross multiply
    856,373.47x = 1,181,492.40 × 511,970.38
  4. Step 4: Simplify right side
    856,373.47x = 604,889,112,995.11
  5. Step 5: Solve for x
    x = 604,889,112,995.11/856,373.47
  6. Step 6: Final answer
    x = 706,337.99

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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.