Home / 933,130.60-1,398,659.10-512,708.20

Finding the Fourth Proportional to 933,130.60, 1,398,659.10 and 512,708.20

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Solution

The fourth proportional to 933,130.60, 1,398,659.10 and 512,708.20 is: 768,492.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,130.60 : 1,398,659.10 = 512,708.20 : x
  2. Step 2: Convert to fraction form
    933,130.60/1,398,659.10 = 512,708.20/x
  3. Step 3: Cross multiply
    933,130.60x = 1,398,659.10 × 512,708.20
  4. Step 4: Simplify right side
    933,130.60x = 717,103,989,574.62
  5. Step 5: Solve for x
    x = 717,103,989,574.62/933,130.60
  6. Step 6: Final answer
    x = 768,492.63

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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.