Home / 1,065,905.80-1,598,081.10-434,494.60

Finding the Fourth Proportional to 1,065,905.80, 1,598,081.10 and 434,494.60

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Solution

The fourth proportional to 1,065,905.80, 1,598,081.10 and 434,494.60 is: 651,424.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,905.80 : 1,598,081.10 = 434,494.60 : x
  2. Step 2: Convert to fraction form
    1,065,905.80/1,598,081.10 = 434,494.60/x
  3. Step 3: Cross multiply
    1,065,905.80x = 1,598,081.10 × 434,494.60
  4. Step 4: Simplify right side
    1,065,905.80x = 694,357,608,312.06
  5. Step 5: Solve for x
    x = 694,357,608,312.06/1,065,905.80
  6. Step 6: Final answer
    x = 651,424.93

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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.