Home / 1,167,813.60-1,611,583.20-631,269.60

Finding the Fourth Proportional to 1,167,813.60, 1,611,583.20 and 631,269.60

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Solution

The fourth proportional to 1,167,813.60, 1,611,583.20 and 631,269.60 is: 871,152.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,813.60 : 1,611,583.20 = 631,269.60 : x
  2. Step 2: Convert to fraction form
    1,167,813.60/1,611,583.20 = 631,269.60/x
  3. Step 3: Cross multiply
    1,167,813.60x = 1,611,583.20 × 631,269.60
  4. Step 4: Simplify right side
    1,167,813.60x = 1,017,343,482,030.72
  5. Step 5: Solve for x
    x = 1,017,343,482,030.72/1,167,813.60
  6. Step 6: Final answer
    x = 871,152.28

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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.