Home / 669,114.72-923,070.33-427,276.26

Finding the Fourth Proportional to 669,114.72, 923,070.33 and 427,276.26

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Solution

The fourth proportional to 669,114.72, 923,070.33 and 427,276.26 is: 589,444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,114.72 : 923,070.33 = 427,276.26 : x
  2. Step 2: Convert to fraction form
    669,114.72/923,070.33 = 427,276.26/x
  3. Step 3: Cross multiply
    669,114.72x = 923,070.33 × 427,276.26
  4. Step 4: Simplify right side
    669,114.72x = 394,406,038,319.37
  5. Step 5: Solve for x
    x = 394,406,038,319.37/669,114.72
  6. Step 6: Final answer
    x = 589,444.57

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Double scale
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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.