Home / 965,061.69-1,331,848.40-535,389.09

Finding the Fourth Proportional to 965,061.69, 1,331,848.40 and 535,389.09

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Solution

The fourth proportional to 965,061.69, 1,331,848.40 and 535,389.09 is: 738,872.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,061.69 : 1,331,848.40 = 535,389.09 : x
  2. Step 2: Convert to fraction form
    965,061.69/1,331,848.40 = 535,389.09/x
  3. Step 3: Cross multiply
    965,061.69x = 1,331,848.40 × 535,389.09
  4. Step 4: Simplify right side
    965,061.69x = 713,057,102,893.96
  5. Step 5: Solve for x
    x = 713,057,102,893.96/965,061.69
  6. Step 6: Final answer
    x = 738,872.04

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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.