Home / 698,445.52-963,829.20-426,968.08

Finding the Fourth Proportional to 698,445.52, 963,829.20 and 426,968.08

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Solution

The fourth proportional to 698,445.52, 963,829.20 and 426,968.08 is: 589,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,445.52 : 963,829.20 = 426,968.08 : x
  2. Step 2: Convert to fraction form
    698,445.52/963,829.20 = 426,968.08/x
  3. Step 3: Cross multiply
    698,445.52x = 963,829.20 × 426,968.08
  4. Step 4: Simplify right side
    698,445.52x = 411,524,302,971.94
  5. Step 5: Solve for x
    x = 411,524,302,971.94/698,445.52
  6. Step 6: Final answer
    x = 589,200.29

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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.