Home / 935,512.94-1,291,339.67-553,538.81

Finding the Fourth Proportional to 935,512.94, 1,291,339.67 and 553,538.81

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Solution

The fourth proportional to 935,512.94, 1,291,339.67 and 553,538.81 is: 764,079.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,512.94 : 1,291,339.67 = 553,538.81 : x
  2. Step 2: Convert to fraction form
    935,512.94/1,291,339.67 = 553,538.81/x
  3. Step 3: Cross multiply
    935,512.94x = 1,291,339.67 × 553,538.81
  4. Step 4: Simplify right side
    935,512.94x = 714,806,624,698.25
  5. Step 5: Solve for x
    x = 714,806,624,698.25/935,512.94
  6. Step 6: Final answer
    x = 764,079.89

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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.