Home / 532,485.36-734,831.04-290,769.84

Finding the Fourth Proportional to 532,485.36, 734,831.04 and 290,769.84

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Solution

The fourth proportional to 532,485.36, 734,831.04 and 290,769.84 is: 401,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,485.36 : 734,831.04 = 290,769.84 : x
  2. Step 2: Convert to fraction form
    532,485.36/734,831.04 = 290,769.84/x
  3. Step 3: Cross multiply
    532,485.36x = 734,831.04 × 290,769.84
  4. Step 4: Simplify right side
    532,485.36x = 213,666,703,927.83
  5. Step 5: Solve for x
    x = 213,666,703,927.83/532,485.36
  6. Step 6: Final answer
    x = 401,263.06

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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.