Home / 719,111.70-1,077,639.51-528,073.20

Finding the Fourth Proportional to 719,111.70, 1,077,639.51 and 528,073.20

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Solution

The fourth proportional to 719,111.70, 1,077,639.51 and 528,073.20 is: 791,354.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,111.70 : 1,077,639.51 = 528,073.20 : x
  2. Step 2: Convert to fraction form
    719,111.70/1,077,639.51 = 528,073.20/x
  3. Step 3: Cross multiply
    719,111.70x = 1,077,639.51 × 528,073.20
  4. Step 4: Simplify right side
    719,111.70x = 569,072,544,492.13
  5. Step 5: Solve for x
    x = 569,072,544,492.13/719,111.70
  6. Step 6: Final answer
    x = 791,354.87

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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.