Home / 698,495.04-963,754.98-407,941.82

Finding the Fourth Proportional to 698,495.04, 963,754.98 and 407,941.82

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Solution

The fourth proportional to 698,495.04, 963,754.98 and 407,941.82 is: 562,861.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,495.04 : 963,754.98 = 407,941.82 : x
  2. Step 2: Convert to fraction form
    698,495.04/963,754.98 = 407,941.82/x
  3. Step 3: Cross multiply
    698,495.04x = 963,754.98 × 407,941.82
  4. Step 4: Simplify right side
    698,495.04x = 393,155,960,575.26
  5. Step 5: Solve for x
    x = 393,155,960,575.26/698,495.04
  6. Step 6: Final answer
    x = 562,861.49

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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.