Home / 916,130.64-1,264,261.75-508,232.47

Finding the Fourth Proportional to 916,130.64, 1,264,261.75 and 508,232.47

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Solution

The fourth proportional to 916,130.64, 1,264,261.75 and 508,232.47 is: 701,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,130.64 : 1,264,261.75 = 508,232.47 : x
  2. Step 2: Convert to fraction form
    916,130.64/1,264,261.75 = 508,232.47/x
  3. Step 3: Cross multiply
    916,130.64x = 1,264,261.75 × 508,232.47
  4. Step 4: Simplify right side
    916,130.64x = 642,538,871,929.02
  5. Step 5: Solve for x
    x = 642,538,871,929.02/916,130.64
  6. Step 6: Final answer
    x = 701,361.62

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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.