Home / 1,554,809.09-2,145,709.60-910,436.88

Finding the Fourth Proportional to 1,554,809.09, 2,145,709.60 and 910,436.88

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Solution

The fourth proportional to 1,554,809.09, 2,145,709.60 and 910,436.88 is: 1,256,445.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,809.09 : 2,145,709.60 = 910,436.88 : x
  2. Step 2: Convert to fraction form
    1,554,809.09/2,145,709.60 = 910,436.88/x
  3. Step 3: Cross multiply
    1,554,809.09x = 2,145,709.60 × 910,436.88
  4. Step 4: Simplify right side
    1,554,809.09x = 1,953,533,151,333.96
  5. Step 5: Solve for x
    x = 1,953,533,151,333.96/1,554,809.09
  6. Step 6: Final answer
    x = 1,256,445.67

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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.