Home / 628,271.60-942,407.40-617,903.60

Finding the Fourth Proportional to 628,271.60, 942,407.40 and 617,903.60

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Solution

The fourth proportional to 628,271.60, 942,407.40 and 617,903.60 is: 926,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,271.60 : 942,407.40 = 617,903.60 : x
  2. Step 2: Convert to fraction form
    628,271.60/942,407.40 = 617,903.60/x
  3. Step 3: Cross multiply
    628,271.60x = 942,407.40 × 617,903.60
  4. Step 4: Simplify right side
    628,271.60x = 582,316,925,126.64
  5. Step 5: Solve for x
    x = 582,316,925,126.64/628,271.60
  6. Step 6: Final answer
    x = 926,855.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.