Home / 953,111.36-1,315,302.78-523,400.48

Finding the Fourth Proportional to 953,111.36, 1,315,302.78 and 523,400.48

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Solution

The fourth proportional to 953,111.36, 1,315,302.78 and 523,400.48 is: 722,297.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,111.36 : 1,315,302.78 = 523,400.48 : x
  2. Step 2: Convert to fraction form
    953,111.36/1,315,302.78 = 523,400.48/x
  3. Step 3: Cross multiply
    953,111.36x = 1,315,302.78 × 523,400.48
  4. Step 4: Simplify right side
    953,111.36x = 688,430,106,397.33
  5. Step 5: Solve for x
    x = 688,430,106,397.33/953,111.36
  6. Step 6: Final answer
    x = 722,297.66

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1.5x scale

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.