Home / 623,075.20-934,612.80-202,393.60

Finding the Fourth Proportional to 623,075.20, 934,612.80 and 202,393.60

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Solution

The fourth proportional to 623,075.20, 934,612.80 and 202,393.60 is: 303,590.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,075.20 : 934,612.80 = 202,393.60 : x
  2. Step 2: Convert to fraction form
    623,075.20/934,612.80 = 202,393.60/x
  3. Step 3: Cross multiply
    623,075.20x = 934,612.80 × 202,393.60
  4. Step 4: Simplify right side
    623,075.20x = 189,159,649,198.08
  5. Step 5: Solve for x
    x = 189,159,649,198.08/623,075.20
  6. Step 6: Final answer
    x = 303,590.40

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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.