Home / 838,483.10-1,157,048.30-475,914.34

Finding the Fourth Proportional to 838,483.10, 1,157,048.30 and 475,914.34

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Solution

The fourth proportional to 838,483.10, 1,157,048.30 and 475,914.34 is: 656,728.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,483.10 : 1,157,048.30 = 475,914.34 : x
  2. Step 2: Convert to fraction form
    838,483.10/1,157,048.30 = 475,914.34/x
  3. Step 3: Cross multiply
    838,483.10x = 1,157,048.30 × 475,914.34
  4. Step 4: Simplify right side
    838,483.10x = 550,655,878,042.62
  5. Step 5: Solve for x
    x = 550,655,878,042.62/838,483.10
  6. Step 6: Final answer
    x = 656,728.65

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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.