Home / 623,642.10-936,009.90-370,606.20

Finding the Fourth Proportional to 623,642.10, 936,009.90 and 370,606.20

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Solution

The fourth proportional to 623,642.10, 936,009.90 and 370,606.20 is: 556,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,642.10 : 936,009.90 = 370,606.20 : x
  2. Step 2: Convert to fraction form
    623,642.10/936,009.90 = 370,606.20/x
  3. Step 3: Cross multiply
    623,642.10x = 936,009.90 × 370,606.20
  4. Step 4: Simplify right side
    623,642.10x = 346,891,072,201.38
  5. Step 5: Solve for x
    x = 346,891,072,201.38/623,642.10
  6. Step 6: Final answer
    x = 556,234.21

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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.