Home / 992,256.40-1,488,384.60-393,018.40

Finding the Fourth Proportional to 992,256.40, 1,488,384.60 and 393,018.40

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Solution

The fourth proportional to 992,256.40, 1,488,384.60 and 393,018.40 is: 589,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,256.40 : 1,488,384.60 = 393,018.40 : x
  2. Step 2: Convert to fraction form
    992,256.40/1,488,384.60 = 393,018.40/x
  3. Step 3: Cross multiply
    992,256.40x = 1,488,384.60 × 393,018.40
  4. Step 4: Simplify right side
    992,256.40x = 584,962,534,076.64
  5. Step 5: Solve for x
    x = 584,962,534,076.64/992,256.40
  6. Step 6: Final answer
    x = 589,527.60

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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.