Home / 1,153,261.60-1,730,194.80-443,312.80

Finding the Fourth Proportional to 1,153,261.60, 1,730,194.80 and 443,312.80

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Solution

The fourth proportional to 1,153,261.60, 1,730,194.80 and 443,312.80 is: 665,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,261.60 : 1,730,194.80 = 443,312.80 : x
  2. Step 2: Convert to fraction form
    1,153,261.60/1,730,194.80 = 443,312.80/x
  3. Step 3: Cross multiply
    1,153,261.60x = 1,730,194.80 × 443,312.80
  4. Step 4: Simplify right side
    1,153,261.60x = 767,017,501,333.44
  5. Step 5: Solve for x
    x = 767,017,501,333.44/1,153,261.60
  6. Step 6: Final answer
    x = 665,085.44

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1.5x scale

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.