Home / 719,338.10-992,623.68-460,758.86

Finding the Fourth Proportional to 719,338.10, 992,623.68 and 460,758.86

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Solution

The fourth proportional to 719,338.10, 992,623.68 and 460,758.86 is: 635,806.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,338.10 : 992,623.68 = 460,758.86 : x
  2. Step 2: Convert to fraction form
    719,338.10/992,623.68 = 460,758.86/x
  3. Step 3: Cross multiply
    719,338.10x = 992,623.68 × 460,758.86
  4. Step 4: Simplify right side
    719,338.10x = 457,360,155,205.81
  5. Step 5: Solve for x
    x = 457,360,155,205.81/719,338.10
  6. Step 6: Final answer
    x = 635,806.94

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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.