Home / 953,580.90-1,315,960.27-523,877.32

Finding the Fourth Proportional to 953,580.90, 1,315,960.27 and 523,877.32

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Solution

The fourth proportional to 953,580.90, 1,315,960.27 and 523,877.32 is: 722,960.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,580.90 : 1,315,960.27 = 523,877.32 : x
  2. Step 2: Convert to fraction form
    953,580.90/1,315,960.27 = 523,877.32/x
  3. Step 3: Cross multiply
    953,580.90x = 1,315,960.27 × 523,877.32
  4. Step 4: Simplify right side
    953,580.90x = 689,401,742,756.14
  5. Step 5: Solve for x
    x = 689,401,742,756.14/953,580.90
  6. Step 6: Final answer
    x = 722,960.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.