Home / 848,577.04-1,272,024.70-398,492.20

Finding the Fourth Proportional to 848,577.04, 1,272,024.70 and 398,492.20

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Solution

The fourth proportional to 848,577.04, 1,272,024.70 and 398,492.20 is: 597,343.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,577.04 : 1,272,024.70 = 398,492.20 : x
  2. Step 2: Convert to fraction form
    848,577.04/1,272,024.70 = 398,492.20/x
  3. Step 3: Cross multiply
    848,577.04x = 1,272,024.70 × 398,492.20
  4. Step 4: Simplify right side
    848,577.04x = 506,891,921,157.34
  5. Step 5: Solve for x
    x = 506,891,921,157.34/848,577.04
  6. Step 6: Final answer
    x = 597,343.43

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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.