Home / 623,899.40-936,173.10-291,475.40

Finding the Fourth Proportional to 623,899.40, 936,173.10 and 291,475.40

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Solution

The fourth proportional to 623,899.40, 936,173.10 and 291,475.40 is: 437,364.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,899.40 : 936,173.10 = 291,475.40 : x
  2. Step 2: Convert to fraction form
    623,899.40/936,173.10 = 291,475.40/x
  3. Step 3: Cross multiply
    623,899.40x = 936,173.10 × 291,475.40
  4. Step 4: Simplify right side
    623,899.40x = 272,871,428,791.74
  5. Step 5: Solve for x
    x = 272,871,428,791.74/623,899.40
  6. Step 6: Final answer
    x = 437,364.47

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Double scale
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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.