Home / 931,519.60-1,397,279.40-370,554.10

Finding the Fourth Proportional to 931,519.60, 1,397,279.40 and 370,554.10

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Solution

The fourth proportional to 931,519.60, 1,397,279.40 and 370,554.10 is: 555,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,519.60 : 1,397,279.40 = 370,554.10 : x
  2. Step 2: Convert to fraction form
    931,519.60/1,397,279.40 = 370,554.10/x
  3. Step 3: Cross multiply
    931,519.60x = 1,397,279.40 × 370,554.10
  4. Step 4: Simplify right side
    931,519.60x = 517,767,610,515.54
  5. Step 5: Solve for x
    x = 517,767,610,515.54/931,519.60
  6. Step 6: Final answer
    x = 555,831.15

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Double scale
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Similar ratio
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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.