Home / 845,302.86-1,166,514.96-458,127.68

Finding the Fourth Proportional to 845,302.86, 1,166,514.96 and 458,127.68

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Solution

The fourth proportional to 845,302.86, 1,166,514.96 and 458,127.68 is: 632,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,302.86 : 1,166,514.96 = 458,127.68 : x
  2. Step 2: Convert to fraction form
    845,302.86/1,166,514.96 = 458,127.68/x
  3. Step 3: Cross multiply
    845,302.86x = 1,166,514.96 × 458,127.68
  4. Step 4: Simplify right side
    845,302.86x = 534,412,786,477.52
  5. Step 5: Solve for x
    x = 534,412,786,477.52/845,302.86
  6. Step 6: Final answer
    x = 632,214.57

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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.