Home / 1,243,152.10-1,864,543.60-344,500.12

Finding the Fourth Proportional to 1,243,152.10, 1,864,543.60 and 344,500.12

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Solution

The fourth proportional to 1,243,152.10, 1,864,543.60 and 344,500.12 is: 516,699.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,152.10 : 1,864,543.60 = 344,500.12 : x
  2. Step 2: Convert to fraction form
    1,243,152.10/1,864,543.60 = 344,500.12/x
  3. Step 3: Cross multiply
    1,243,152.10x = 1,864,543.60 × 344,500.12
  4. Step 4: Simplify right side
    1,243,152.10x = 642,335,493,945.23
  5. Step 5: Solve for x
    x = 642,335,493,945.23/1,243,152.10
  6. Step 6: Final answer
    x = 516,699.04

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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.