Home / 902,465.10-1,245,072.33-539,899.38

Finding the Fourth Proportional to 902,465.10, 1,245,072.33 and 539,899.38

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Solution

The fourth proportional to 902,465.10, 1,245,072.33 and 539,899.38 is: 744,864.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,465.10 : 1,245,072.33 = 539,899.38 : x
  2. Step 2: Convert to fraction form
    902,465.10/1,245,072.33 = 539,899.38/x
  3. Step 3: Cross multiply
    902,465.10x = 1,245,072.33 × 539,899.38
  4. Step 4: Simplify right side
    902,465.10x = 672,213,779,022.16
  5. Step 5: Solve for x
    x = 672,213,779,022.16/902,465.10
  6. Step 6: Final answer
    x = 744,864.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.