Home / 740,109.51-1,109,270.25-360,461.25

Finding the Fourth Proportional to 740,109.51, 1,109,270.25 and 360,461.25

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Solution

The fourth proportional to 740,109.51, 1,109,270.25 and 360,461.25 is: 540,256.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,109.51 : 1,109,270.25 = 360,461.25 : x
  2. Step 2: Convert to fraction form
    740,109.51/1,109,270.25 = 360,461.25/x
  3. Step 3: Cross multiply
    740,109.51x = 1,109,270.25 × 360,461.25
  4. Step 4: Simplify right side
    740,109.51x = 399,848,940,902.81
  5. Step 5: Solve for x
    x = 399,848,940,902.81/740,109.51
  6. Step 6: Final answer
    x = 540,256.46

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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.