Home / 427,043-589,315.02-236,047.16

Finding the Fourth Proportional to 427,043, 589,315.02 and 236,047.16

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Solution

The fourth proportional to 427,043, 589,315.02 and 236,047.16 is: 325,742.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,043 : 589,315.02 = 236,047.16 : x
  2. Step 2: Convert to fraction form
    427,043/589,315.02 = 236,047.16/x
  3. Step 3: Cross multiply
    427,043x = 589,315.02 × 236,047.16
  4. Step 4: Simplify right side
    427,043x = 139,106,136,816.34
  5. Step 5: Solve for x
    x = 139,106,136,816.34/427,043
  6. Step 6: Final answer
    x = 325,742.69

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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.