Home / 761,374.06-1,142,068.98-306,175.93

Finding the Fourth Proportional to 761,374.06, 1,142,068.98 and 306,175.93

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Solution

The fourth proportional to 761,374.06, 1,142,068.98 and 306,175.93 is: 459,267.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,374.06 : 1,142,068.98 = 306,175.93 : x
  2. Step 2: Convert to fraction form
    761,374.06/1,142,068.98 = 306,175.93/x
  3. Step 3: Cross multiply
    761,374.06x = 1,142,068.98 × 306,175.93
  4. Step 4: Simplify right side
    761,374.06x = 349,674,026,365.31
  5. Step 5: Solve for x
    x = 349,674,026,365.31/761,374.06
  6. Step 6: Final answer
    x = 459,267.06

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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.