Home / 965,136.51-1,331,889.95-535,416.65

Finding the Fourth Proportional to 965,136.51, 1,331,889.95 and 535,416.65

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Solution

The fourth proportional to 965,136.51, 1,331,889.95 and 535,416.65 is: 738,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,136.51 : 1,331,889.95 = 535,416.65 : x
  2. Step 2: Convert to fraction form
    965,136.51/1,331,889.95 = 535,416.65/x
  3. Step 3: Cross multiply
    965,136.51x = 1,331,889.95 × 535,416.65
  4. Step 4: Simplify right side
    965,136.51x = 713,116,054,871.35
  5. Step 5: Solve for x
    x = 713,116,054,871.35/965,136.51
  6. Step 6: Final answer
    x = 738,875.85

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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.