Home / 830,095.83-1,242,331.22-510,450.09

Finding the Fourth Proportional to 830,095.83, 1,242,331.22 and 510,450.09

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Solution

The fourth proportional to 830,095.83, 1,242,331.22 and 510,450.09 is: 763,945.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,095.83 : 1,242,331.22 = 510,450.09 : x
  2. Step 2: Convert to fraction form
    830,095.83/1,242,331.22 = 510,450.09/x
  3. Step 3: Cross multiply
    830,095.83x = 1,242,331.22 × 510,450.09
  4. Step 4: Simplify right side
    830,095.83x = 634,148,079,676.19
  5. Step 5: Solve for x
    x = 634,148,079,676.19/830,095.83
  6. Step 6: Final answer
    x = 763,945.63

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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.