Home / 1,406,410.27-1,940,855.49-761,830.46

Finding the Fourth Proportional to 1,406,410.27, 1,940,855.49 and 761,830.46

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Solution

The fourth proportional to 1,406,410.27, 1,940,855.49 and 761,830.46 is: 1,051,331.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,410.27 : 1,940,855.49 = 761,830.46 : x
  2. Step 2: Convert to fraction form
    1,406,410.27/1,940,855.49 = 761,830.46/x
  3. Step 3: Cross multiply
    1,406,410.27x = 1,940,855.49 × 761,830.46
  4. Step 4: Simplify right side
    1,406,410.27x = 1,478,602,828,314.16
  5. Step 5: Solve for x
    x = 1,478,602,828,314.16/1,406,410.27
  6. Step 6: Final answer
    x = 1,051,331.08

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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.