Home / 940,725.89-1,298,740.19-619,370.13

Finding the Fourth Proportional to 940,725.89, 1,298,740.19 and 619,370.13

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Solution

The fourth proportional to 940,725.89, 1,298,740.19 and 619,370.13 is: 855,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,725.89 : 1,298,740.19 = 619,370.13 : x
  2. Step 2: Convert to fraction form
    940,725.89/1,298,740.19 = 619,370.13/x
  3. Step 3: Cross multiply
    940,725.89x = 1,298,740.19 × 619,370.13
  4. Step 4: Simplify right side
    940,725.89x = 804,400,877,219.67
  5. Step 5: Solve for x
    x = 804,400,877,219.67/940,725.89
  6. Step 6: Final answer
    x = 855,085.30

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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.