Home / 623,646.10-936,015.90-370,610.20

Finding the Fourth Proportional to 623,646.10, 936,015.90 and 370,610.20

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Solution

The fourth proportional to 623,646.10, 936,015.90 and 370,610.20 is: 556,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,646.10 : 936,015.90 = 370,610.20 : x
  2. Step 2: Convert to fraction form
    623,646.10/936,015.90 = 370,610.20/x
  3. Step 3: Cross multiply
    623,646.10x = 936,015.90 × 370,610.20
  4. Step 4: Simplify right side
    623,646.10x = 346,897,039,902.18
  5. Step 5: Solve for x
    x = 346,897,039,902.18/623,646.10
  6. Step 6: Final answer
    x = 556,240.21

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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.