Home / 740,124.56-1,021,390.48-453,802.48

Finding the Fourth Proportional to 740,124.56, 1,021,390.48 and 453,802.48

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Solution

The fourth proportional to 740,124.56, 1,021,390.48 and 453,802.48 is: 626,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,124.56 : 1,021,390.48 = 453,802.48 : x
  2. Step 2: Convert to fraction form
    740,124.56/1,021,390.48 = 453,802.48/x
  3. Step 3: Cross multiply
    740,124.56x = 1,021,390.48 × 453,802.48
  4. Step 4: Simplify right side
    740,124.56x = 463,509,532,872.39
  5. Step 5: Solve for x
    x = 463,509,532,872.39/740,124.56
  6. Step 6: Final answer
    x = 626,258.82

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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.