Home / 931,340.58-1,397,019.51-370,518.18

Finding the Fourth Proportional to 931,340.58, 1,397,019.51 and 370,518.18

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Solution

The fourth proportional to 931,340.58, 1,397,019.51 and 370,518.18 is: 555,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,340.58 : 1,397,019.51 = 370,518.18 : x
  2. Step 2: Convert to fraction form
    931,340.58/1,397,019.51 = 370,518.18/x
  3. Step 3: Cross multiply
    931,340.58x = 1,397,019.51 × 370,518.18
  4. Step 4: Simplify right side
    931,340.58x = 517,621,126,269.69
  5. Step 5: Solve for x
    x = 517,621,126,269.69/931,340.58
  6. Step 6: Final answer
    x = 555,780.71

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Double scale
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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.