Home / 983,558.64-1,357,440.24-553,922.76

Finding the Fourth Proportional to 983,558.64, 1,357,440.24 and 553,922.76

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Solution

The fourth proportional to 983,558.64, 1,357,440.24 and 553,922.76 is: 764,486.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,558.64 : 1,357,440.24 = 553,922.76 : x
  2. Step 2: Convert to fraction form
    983,558.64/1,357,440.24 = 553,922.76/x
  3. Step 3: Cross multiply
    983,558.64x = 1,357,440.24 × 553,922.76
  4. Step 4: Simplify right side
    983,558.64x = 751,917,044,275.86
  5. Step 5: Solve for x
    x = 751,917,044,275.86/983,558.64
  6. Step 6: Final answer
    x = 764,486.24

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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.