Home / 936,129.96-1,291,855.46-506,409.03

Finding the Fourth Proportional to 936,129.96, 1,291,855.46 and 506,409.03

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Solution

The fourth proportional to 936,129.96, 1,291,855.46 and 506,409.03 is: 698,842.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,129.96 : 1,291,855.46 = 506,409.03 : x
  2. Step 2: Convert to fraction form
    936,129.96/1,291,855.46 = 506,409.03/x
  3. Step 3: Cross multiply
    936,129.96x = 1,291,855.46 × 506,409.03
  4. Step 4: Simplify right side
    936,129.96x = 654,207,267,866.76
  5. Step 5: Solve for x
    x = 654,207,267,866.76/936,129.96
  6. Step 6: Final answer
    x = 698,842.36

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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.