Home / 1,415,927.57-1,953,977.33-771,347.59

Finding the Fourth Proportional to 1,415,927.57, 1,953,977.33 and 771,347.59

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Solution

The fourth proportional to 1,415,927.57, 1,953,977.33 and 771,347.59 is: 1,064,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,927.57 : 1,953,977.33 = 771,347.59 : x
  2. Step 2: Convert to fraction form
    1,415,927.57/1,953,977.33 = 771,347.59/x
  3. Step 3: Cross multiply
    1,415,927.57x = 1,953,977.33 × 771,347.59
  4. Step 4: Simplify right side
    1,415,927.57x = 1,507,195,701,453.56
  5. Step 5: Solve for x
    x = 1,507,195,701,453.56/1,415,927.57
  6. Step 6: Final answer
    x = 1,064,458.20

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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.