Home / 835,389.09-1,152,806.10-453,407.67

Finding the Fourth Proportional to 835,389.09, 1,152,806.10 and 453,407.67

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Solution

The fourth proportional to 835,389.09, 1,152,806.10 and 453,407.67 is: 625,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,389.09 : 1,152,806.10 = 453,407.67 : x
  2. Step 2: Convert to fraction form
    835,389.09/1,152,806.10 = 453,407.67/x
  3. Step 3: Cross multiply
    835,389.09x = 1,152,806.10 × 453,407.67
  4. Step 4: Simplify right side
    835,389.09x = 522,691,127,762.79
  5. Step 5: Solve for x
    x = 522,691,127,762.79/835,389.09
  6. Step 6: Final answer
    x = 625,685.84

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Double scale
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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.