Home / 1,405,352-1,939,384.80-760,777.28

Finding the Fourth Proportional to 1,405,352, 1,939,384.80 and 760,777.28

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Solution

The fourth proportional to 1,405,352, 1,939,384.80 and 760,777.28 is: 1,049,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,352 : 1,939,384.80 = 760,777.28 : x
  2. Step 2: Convert to fraction form
    1,405,352/1,939,384.80 = 760,777.28/x
  3. Step 3: Cross multiply
    1,405,352x = 1,939,384.80 × 760,777.28
  4. Step 4: Simplify right side
    1,405,352x = 1,475,439,893,017.34
  5. Step 5: Solve for x
    x = 1,475,439,893,017.34/1,405,352
  6. Step 6: Final answer
    x = 1,049,872.13

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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.