Home / 588,538.81-812,210.27-346,831.57

Finding the Fourth Proportional to 588,538.81, 812,210.27 and 346,831.57

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Solution

The fourth proportional to 588,538.81, 812,210.27 and 346,831.57 is: 478,643.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,538.81 : 812,210.27 = 346,831.57 : x
  2. Step 2: Convert to fraction form
    588,538.81/812,210.27 = 346,831.57/x
  3. Step 3: Cross multiply
    588,538.81x = 812,210.27 × 346,831.57
  4. Step 4: Simplify right side
    588,538.81x = 281,700,163,114.22
  5. Step 5: Solve for x
    x = 281,700,163,114.22/588,538.81
  6. Step 6: Final answer
    x = 478,643.31

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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.