Home / 1,406,409.83-1,940,854.88-761,830.01

Finding the Fourth Proportional to 1,406,409.83, 1,940,854.88 and 761,830.01

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Solution

The fourth proportional to 1,406,409.83, 1,940,854.88 and 761,830.01 is: 1,051,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,409.83 : 1,940,854.88 = 761,830.01 : x
  2. Step 2: Convert to fraction form
    1,406,409.83/1,940,854.88 = 761,830.01/x
  3. Step 3: Cross multiply
    1,406,409.83x = 1,940,854.88 × 761,830.01
  4. Step 4: Simplify right side
    1,406,409.83x = 1,478,601,493,681.94
  5. Step 5: Solve for x
    x = 1,478,601,493,681.94/1,406,409.83
  6. Step 6: Final answer
    x = 1,051,330.46

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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.