Home / 719,657.70-1,077,143.09-530,043.45

Finding the Fourth Proportional to 719,657.70, 1,077,143.09 and 530,043.45

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Solution

The fourth proportional to 719,657.70, 1,077,143.09 and 530,043.45 is: 793,339.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,657.70 : 1,077,143.09 = 530,043.45 : x
  2. Step 2: Convert to fraction form
    719,657.70/1,077,143.09 = 530,043.45/x
  3. Step 3: Cross multiply
    719,657.70x = 1,077,143.09 × 530,043.45
  4. Step 4: Simplify right side
    719,657.70x = 570,932,636,917.04
  5. Step 5: Solve for x
    x = 570,932,636,917.04/719,657.70
  6. Step 6: Final answer
    x = 793,339.16

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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.