Home / 766,532.46-1,057,806.21-435,386.01

Finding the Fourth Proportional to 766,532.46, 1,057,806.21 and 435,386.01

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Solution

The fourth proportional to 766,532.46, 1,057,806.21 and 435,386.01 is: 600,827.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,532.46 : 1,057,806.21 = 435,386.01 : x
  2. Step 2: Convert to fraction form
    766,532.46/1,057,806.21 = 435,386.01/x
  3. Step 3: Cross multiply
    766,532.46x = 1,057,806.21 × 435,386.01
  4. Step 4: Simplify right side
    766,532.46x = 460,554,025,125.12
  5. Step 5: Solve for x
    x = 460,554,025,125.12/766,532.46
  6. Step 6: Final answer
    x = 600,827.82

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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.