Home / 979,707.33-1,351,903.65-549,903.51

Finding the Fourth Proportional to 979,707.33, 1,351,903.65 and 549,903.51

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Solution

The fourth proportional to 979,707.33, 1,351,903.65 and 549,903.51 is: 758,814.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,707.33 : 1,351,903.65 = 549,903.51 : x
  2. Step 2: Convert to fraction form
    979,707.33/1,351,903.65 = 549,903.51/x
  3. Step 3: Cross multiply
    979,707.33x = 1,351,903.65 × 549,903.51
  4. Step 4: Simplify right side
    979,707.33x = 743,416,562,316.81
  5. Step 5: Solve for x
    x = 743,416,562,316.81/979,707.33
  6. Step 6: Final answer
    x = 758,814.94

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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.