Home / 1,119,281.19-1,679,276.73-399,607.47

Finding the Fourth Proportional to 1,119,281.19, 1,679,276.73 and 399,607.47

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Solution

The fourth proportional to 1,119,281.19, 1,679,276.73 and 399,607.47 is: 599,537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,281.19 : 1,679,276.73 = 399,607.47 : x
  2. Step 2: Convert to fraction form
    1,119,281.19/1,679,276.73 = 399,607.47/x
  3. Step 3: Cross multiply
    1,119,281.19x = 1,679,276.73 × 399,607.47
  4. Step 4: Simplify right side
    1,119,281.19x = 671,051,525,505.17
  5. Step 5: Solve for x
    x = 671,051,525,505.17/1,119,281.19
  6. Step 6: Final answer
    x = 599,537.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.