Home / 579,503.95-869,255.93-366,927.55

Finding the Fourth Proportional to 579,503.95, 869,255.93 and 366,927.55

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Solution

The fourth proportional to 579,503.95, 869,255.93 and 366,927.55 is: 550,391.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,503.95 : 869,255.93 = 366,927.55 : x
  2. Step 2: Convert to fraction form
    579,503.95/869,255.93 = 366,927.55/x
  3. Step 3: Cross multiply
    579,503.95x = 869,255.93 × 366,927.55
  4. Step 4: Simplify right side
    579,503.95x = 318,953,946,883.23
  5. Step 5: Solve for x
    x = 318,953,946,883.23/579,503.95
  6. Step 6: Final answer
    x = 550,391.33

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Half scale
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Double scale
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Similar ratio
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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.