Home / 934,831.80-1,402,053.30-402,370.20

Finding the Fourth Proportional to 934,831.80, 1,402,053.30 and 402,370.20

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Solution

The fourth proportional to 934,831.80, 1,402,053.30 and 402,370.20 is: 603,471.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,831.80 : 1,402,053.30 = 402,370.20 : x
  2. Step 2: Convert to fraction form
    934,831.80/1,402,053.30 = 402,370.20/x
  3. Step 3: Cross multiply
    934,831.80x = 1,402,053.30 × 402,370.20
  4. Step 4: Simplify right side
    934,831.80x = 564,144,466,731.66
  5. Step 5: Solve for x
    x = 564,144,466,731.66/934,831.80
  6. Step 6: Final answer
    x = 603,471.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.