Home / 719,026.07-992,276.75-396,756.92

Finding the Fourth Proportional to 719,026.07, 992,276.75 and 396,756.92

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Solution

The fourth proportional to 719,026.07, 992,276.75 and 396,756.92 is: 547,536.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,026.07 : 992,276.75 = 396,756.92 : x
  2. Step 2: Convert to fraction form
    719,026.07/992,276.75 = 396,756.92/x
  3. Step 3: Cross multiply
    719,026.07x = 992,276.75 × 396,756.92
  4. Step 4: Simplify right side
    719,026.07x = 393,692,669,102.36
  5. Step 5: Solve for x
    x = 393,692,669,102.36/719,026.07
  6. Step 6: Final answer
    x = 547,536.01

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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.