Home / 889,337.70-1,334,881.35-440,565.30

Finding the Fourth Proportional to 889,337.70, 1,334,881.35 and 440,565.30

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Solution

The fourth proportional to 889,337.70, 1,334,881.35 and 440,565.30 is: 661,281.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,337.70 : 1,334,881.35 = 440,565.30 : x
  2. Step 2: Convert to fraction form
    889,337.70/1,334,881.35 = 440,565.30/x
  3. Step 3: Cross multiply
    889,337.70x = 1,334,881.35 × 440,565.30
  4. Step 4: Simplify right side
    889,337.70x = 588,102,402,427.16
  5. Step 5: Solve for x
    x = 588,102,402,427.16/889,337.70
  6. Step 6: Final answer
    x = 661,281.31

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Double scale
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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.