Home / 683,295.20-1,025,720.40-402,970.40

Finding the Fourth Proportional to 683,295.20, 1,025,720.40 and 402,970.40

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Solution

The fourth proportional to 683,295.20, 1,025,720.40 and 402,970.40 is: 604,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,295.20 : 1,025,720.40 = 402,970.40 : x
  2. Step 2: Convert to fraction form
    683,295.20/1,025,720.40 = 402,970.40/x
  3. Step 3: Cross multiply
    683,295.20x = 1,025,720.40 × 402,970.40
  4. Step 4: Simplify right side
    683,295.20x = 413,334,959,876.16
  5. Step 5: Solve for x
    x = 413,334,959,876.16/683,295.20
  6. Step 6: Final answer
    x = 604,914.19

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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.