Home / 838,483.45-1,157,211.77-476,024.65

Finding the Fourth Proportional to 838,483.45, 1,157,211.77 and 476,024.65

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Solution

The fourth proportional to 838,483.45, 1,157,211.77 and 476,024.65 is: 656,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,483.45 : 1,157,211.77 = 476,024.65 : x
  2. Step 2: Convert to fraction form
    838,483.45/1,157,211.77 = 476,024.65/x
  3. Step 3: Cross multiply
    838,483.45x = 1,157,211.77 × 476,024.65
  4. Step 4: Simplify right side
    838,483.45x = 550,861,322,516.98
  5. Step 5: Solve for x
    x = 550,861,322,516.98/838,483.45
  6. Step 6: Final answer
    x = 656,973.40

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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.