Home / 1,116,253.81-1,674,374.46-406,281.82

Finding the Fourth Proportional to 1,116,253.81, 1,674,374.46 and 406,281.82

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Solution

The fourth proportional to 1,116,253.81, 1,674,374.46 and 406,281.82 is: 609,420.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,253.81 : 1,674,374.46 = 406,281.82 : x
  2. Step 2: Convert to fraction form
    1,116,253.81/1,674,374.46 = 406,281.82/x
  3. Step 3: Cross multiply
    1,116,253.81x = 1,674,374.46 × 406,281.82
  4. Step 4: Simplify right side
    1,116,253.81x = 680,267,902,970.32
  5. Step 5: Solve for x
    x = 680,267,902,970.32/1,116,253.81
  6. Step 6: Final answer
    x = 609,420.45

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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.