Home / 838,004.18-1,156,443.63-456,030.86

Finding the Fourth Proportional to 838,004.18, 1,156,443.63 and 456,030.86

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Solution

The fourth proportional to 838,004.18, 1,156,443.63 and 456,030.86 is: 629,321.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,004.18 : 1,156,443.63 = 456,030.86 : x
  2. Step 2: Convert to fraction form
    838,004.18/1,156,443.63 = 456,030.86/x
  3. Step 3: Cross multiply
    838,004.18x = 1,156,443.63 × 456,030.86
  4. Step 4: Simplify right side
    838,004.18x = 527,373,983,130.42
  5. Step 5: Solve for x
    x = 527,373,983,130.42/838,004.18
  6. Step 6: Final answer
    x = 629,321.42

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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.