Home / 818,541.18-1,227,400.02-477,094.32

Finding the Fourth Proportional to 818,541.18, 1,227,400.02 and 477,094.32

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Solution

The fourth proportional to 818,541.18, 1,227,400.02 and 477,094.32 is: 715,401.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,541.18 : 1,227,400.02 = 477,094.32 : x
  2. Step 2: Convert to fraction form
    818,541.18/1,227,400.02 = 477,094.32/x
  3. Step 3: Cross multiply
    818,541.18x = 1,227,400.02 × 477,094.32
  4. Step 4: Simplify right side
    818,541.18x = 585,585,577,909.89
  5. Step 5: Solve for x
    x = 585,585,577,909.89/818,541.18
  6. Step 6: Final answer
    x = 715,401.49

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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.