Home / 1,512,670.71-2,087,486.02-824,342.76

Finding the Fourth Proportional to 1,512,670.71, 2,087,486.02 and 824,342.76

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Solution

The fourth proportional to 1,512,670.71, 2,087,486.02 and 824,342.76 is: 1,137,593.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,670.71 : 2,087,486.02 = 824,342.76 : x
  2. Step 2: Convert to fraction form
    1,512,670.71/2,087,486.02 = 824,342.76/x
  3. Step 3: Cross multiply
    1,512,670.71x = 2,087,486.02 × 824,342.76
  4. Step 4: Simplify right side
    1,512,670.71x = 1,720,803,987,188.22
  5. Step 5: Solve for x
    x = 1,720,803,987,188.22/1,512,670.71
  6. Step 6: Final answer
    x = 1,137,593.25

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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.