Home / 1,507,229.34-2,258,211.40-1,256,123.47

Finding the Fourth Proportional to 1,507,229.34, 2,258,211.40 and 1,256,123.47

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Solution

The fourth proportional to 1,507,229.34, 2,258,211.40 and 1,256,123.47 is: 1,881,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,229.34 : 2,258,211.40 = 1,256,123.47 : x
  2. Step 2: Convert to fraction form
    1,507,229.34/2,258,211.40 = 1,256,123.47/x
  3. Step 3: Cross multiply
    1,507,229.34x = 2,258,211.40 × 1,256,123.47
  4. Step 4: Simplify right side
    1,507,229.34x = 2,836,592,333,480.94
  5. Step 5: Solve for x
    x = 2,836,592,333,480.94/1,507,229.34
  6. Step 6: Final answer
    x = 1,881,991.19

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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.