Home / 1,406,410.26-1,940,855.48-761,830.45

Finding the Fourth Proportional to 1,406,410.26, 1,940,855.48 and 761,830.45

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Solution

The fourth proportional to 1,406,410.26, 1,940,855.48 and 761,830.45 is: 1,051,331.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,410.26 : 1,940,855.48 = 761,830.45 : x
  2. Step 2: Convert to fraction form
    1,406,410.26/1,940,855.48 = 761,830.45/x
  3. Step 3: Cross multiply
    1,406,410.26x = 1,940,855.48 × 761,830.45
  4. Step 4: Simplify right side
    1,406,410.26x = 1,478,602,803,713.37
  5. Step 5: Solve for x
    x = 1,478,602,803,713.37/1,406,410.26
  6. Step 6: Final answer
    x = 1,051,331.07

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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.