Home / 919,078.98-1,267,811.30-551,461.04

Finding the Fourth Proportional to 919,078.98, 1,267,811.30 and 551,461.04

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Solution

The fourth proportional to 919,078.98, 1,267,811.30 and 551,461.04 is: 760,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,078.98 : 1,267,811.30 = 551,461.04 : x
  2. Step 2: Convert to fraction form
    919,078.98/1,267,811.30 = 551,461.04/x
  3. Step 3: Cross multiply
    919,078.98x = 1,267,811.30 × 551,461.04
  4. Step 4: Simplify right side
    919,078.98x = 699,148,528,925.39
  5. Step 5: Solve for x
    x = 699,148,528,925.39/919,078.98
  6. Step 6: Final answer
    x = 760,705.60

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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.