Home / 674,703.78-931,001.34-433,313.35

Finding the Fourth Proportional to 674,703.78, 931,001.34 and 433,313.35

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Solution

The fourth proportional to 674,703.78, 931,001.34 and 433,313.35 is: 597,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,703.78 : 931,001.34 = 433,313.35 : x
  2. Step 2: Convert to fraction form
    674,703.78/931,001.34 = 433,313.35/x
  3. Step 3: Cross multiply
    674,703.78x = 931,001.34 × 433,313.35
  4. Step 4: Simplify right side
    674,703.78x = 403,415,308,787.31
  5. Step 5: Solve for x
    x = 403,415,308,787.31/674,703.78
  6. Step 6: Final answer
    x = 597,914.70

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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.