Home / 1,039,520.40-1,559,280.60-365,596.35

Finding the Fourth Proportional to 1,039,520.40, 1,559,280.60 and 365,596.35

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Solution

The fourth proportional to 1,039,520.40, 1,559,280.60 and 365,596.35 is: 548,394.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,520.40 : 1,559,280.60 = 365,596.35 : x
  2. Step 2: Convert to fraction form
    1,039,520.40/1,559,280.60 = 365,596.35/x
  3. Step 3: Cross multiply
    1,039,520.40x = 1,559,280.60 × 365,596.35
  4. Step 4: Simplify right side
    1,039,520.40x = 570,067,295,985.81
  5. Step 5: Solve for x
    x = 570,067,295,985.81/1,039,520.40
  6. Step 6: Final answer
    x = 548,394.53

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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.