Home / 1,167,818.60-1,611,590.10-631,274.60

Finding the Fourth Proportional to 1,167,818.60, 1,611,590.10 and 631,274.60

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Solution

The fourth proportional to 1,167,818.60, 1,611,590.10 and 631,274.60 is: 871,159.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,818.60 : 1,611,590.10 = 631,274.60 : x
  2. Step 2: Convert to fraction form
    1,167,818.60/1,611,590.10 = 631,274.60/x
  3. Step 3: Cross multiply
    1,167,818.60x = 1,611,590.10 × 631,274.60
  4. Step 4: Simplify right side
    1,167,818.60x = 1,017,355,895,741.46
  5. Step 5: Solve for x
    x = 1,017,355,895,741.46/1,167,818.60
  6. Step 6: Final answer
    x = 871,159.18

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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.