Home / 530,831.26-732,551.88-289,114.93

Finding the Fourth Proportional to 530,831.26, 732,551.88 and 289,114.93

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Solution

The fourth proportional to 530,831.26, 732,551.88 and 289,114.93 is: 398,981.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,831.26 : 732,551.88 = 289,114.93 : x
  2. Step 2: Convert to fraction form
    530,831.26/732,551.88 = 289,114.93/x
  3. Step 3: Cross multiply
    530,831.26x = 732,551.88 × 289,114.93
  4. Step 4: Simplify right side
    530,831.26x = 211,791,685,507.57
  5. Step 5: Solve for x
    x = 211,791,685,507.57/530,831.26
  6. Step 6: Final answer
    x = 398,981.19

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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.