Home / 1,406,507.30-1,940,985.95-761,927.44

Finding the Fourth Proportional to 1,406,507.30, 1,940,985.95 and 761,927.44

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Solution

The fourth proportional to 1,406,507.30, 1,940,985.95 and 761,927.44 is: 1,051,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,507.30 : 1,940,985.95 = 761,927.44 : x
  2. Step 2: Convert to fraction form
    1,406,507.30/1,940,985.95 = 761,927.44/x
  3. Step 3: Cross multiply
    1,406,507.30x = 1,940,985.95 × 761,927.44
  4. Step 4: Simplify right side
    1,406,507.30x = 1,478,890,455,959.47
  5. Step 5: Solve for x
    x = 1,478,890,455,959.47/1,406,507.30
  6. Step 6: Final answer
    x = 1,051,463.05

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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.