Home / 926,632.64-1,389,007.20-364,894.40

Finding the Fourth Proportional to 926,632.64, 1,389,007.20 and 364,894.40

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Solution

The fourth proportional to 926,632.64, 1,389,007.20 and 364,894.40 is: 546,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,632.64 : 1,389,007.20 = 364,894.40 : x
  2. Step 2: Convert to fraction form
    926,632.64/1,389,007.20 = 364,894.40/x
  3. Step 3: Cross multiply
    926,632.64x = 1,389,007.20 × 364,894.40
  4. Step 4: Simplify right side
    926,632.64x = 506,840,948,839.68
  5. Step 5: Solve for x
    x = 506,840,948,839.68/926,632.64
  6. Step 6: Final answer
    x = 546,970.75

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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.