Home / 916,130.85-1,264,262.07-508,232.70

Finding the Fourth Proportional to 916,130.85, 1,264,262.07 and 508,232.70

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Solution

The fourth proportional to 916,130.85, 1,264,262.07 and 508,232.70 is: 701,361.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,130.85 : 1,264,262.07 = 508,232.70 : x
  2. Step 2: Convert to fraction form
    916,130.85/1,264,262.07 = 508,232.70/x
  3. Step 3: Cross multiply
    916,130.85x = 1,264,262.07 × 508,232.70
  4. Step 4: Simplify right side
    916,130.85x = 642,539,325,343.69
  5. Step 5: Solve for x
    x = 642,539,325,343.69/916,130.85
  6. Step 6: Final answer
    x = 701,361.96

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Double scale
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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.