Home / 891,985.89-1,230,941.18-484,087.63

Finding the Fourth Proportional to 891,985.89, 1,230,941.18 and 484,087.63

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Solution

The fourth proportional to 891,985.89, 1,230,941.18 and 484,087.63 is: 668,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,985.89 : 1,230,941.18 = 484,087.63 : x
  2. Step 2: Convert to fraction form
    891,985.89/1,230,941.18 = 484,087.63/x
  3. Step 3: Cross multiply
    891,985.89x = 1,230,941.18 × 484,087.63
  4. Step 4: Simplify right side
    891,985.89x = 595,883,398,495.60
  5. Step 5: Solve for x
    x = 595,883,398,495.60/891,985.89
  6. Step 6: Final answer
    x = 668,041.28

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1.5x scale

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.