Home / 828,897.39-1,143,831.65-466,336.53

Finding the Fourth Proportional to 828,897.39, 1,143,831.65 and 466,336.53

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Solution

The fourth proportional to 828,897.39, 1,143,831.65 and 466,336.53 is: 643,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,897.39 : 1,143,831.65 = 466,336.53 : x
  2. Step 2: Convert to fraction form
    828,897.39/1,143,831.65 = 466,336.53/x
  3. Step 3: Cross multiply
    828,897.39x = 1,143,831.65 × 466,336.53
  4. Step 4: Simplify right side
    828,897.39x = 533,410,480,233.49
  5. Step 5: Solve for x
    x = 533,410,480,233.49/828,897.39
  6. Step 6: Final answer
    x = 643,518.11

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Double scale
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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.