Home / 1,683,649.56-2,323,349.52-919,555.50

Finding the Fourth Proportional to 1,683,649.56, 2,323,349.52 and 919,555.50

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Solution

The fourth proportional to 1,683,649.56, 2,323,349.52 and 919,555.50 is: 1,268,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,649.56 : 2,323,349.52 = 919,555.50 : x
  2. Step 2: Convert to fraction form
    1,683,649.56/2,323,349.52 = 919,555.50/x
  3. Step 3: Cross multiply
    1,683,649.56x = 2,323,349.52 × 919,555.50
  4. Step 4: Simplify right side
    1,683,649.56x = 2,136,448,829,538.36
  5. Step 5: Solve for x
    x = 2,136,448,829,538.36/1,683,649.56
  6. Step 6: Final answer
    x = 1,268,939.14

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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.