Home / 1,559,258.46-2,151,811.98-915,143.22

Finding the Fourth Proportional to 1,559,258.46, 2,151,811.98 and 915,143.22

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Solution

The fourth proportional to 1,559,258.46, 2,151,811.98 and 915,143.22 is: 1,262,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,258.46 : 2,151,811.98 = 915,143.22 : x
  2. Step 2: Convert to fraction form
    1,559,258.46/2,151,811.98 = 915,143.22/x
  3. Step 3: Cross multiply
    1,559,258.46x = 2,151,811.98 × 915,143.22
  4. Step 4: Simplify right side
    1,559,258.46x = 1,969,216,144,211.78
  5. Step 5: Solve for x
    x = 1,969,216,144,211.78/1,559,258.46
  6. Step 6: Final answer
    x = 1,262,918.36

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Double scale
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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.