Home / 623,328.56-936,681.14-339,229.16

Finding the Fourth Proportional to 623,328.56, 936,681.14 and 339,229.16

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Solution

The fourth proportional to 623,328.56, 936,681.14 and 339,229.16 is: 509,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,328.56 : 936,681.14 = 339,229.16 : x
  2. Step 2: Convert to fraction form
    623,328.56/936,681.14 = 339,229.16/x
  3. Step 3: Cross multiply
    623,328.56x = 936,681.14 × 339,229.16
  4. Step 4: Simplify right side
    623,328.56x = 317,749,551,626.64
  5. Step 5: Solve for x
    x = 317,749,551,626.64/623,328.56
  6. Step 6: Final answer
    x = 509,762.55

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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.