Home / 912,025.61-1,258,720.37-524,833.09

Finding the Fourth Proportional to 912,025.61, 1,258,720.37 and 524,833.09

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Solution

The fourth proportional to 912,025.61, 1,258,720.37 and 524,833.09 is: 724,341.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,025.61 : 1,258,720.37 = 524,833.09 : x
  2. Step 2: Convert to fraction form
    912,025.61/1,258,720.37 = 524,833.09/x
  3. Step 3: Cross multiply
    912,025.61x = 1,258,720.37 × 524,833.09
  4. Step 4: Simplify right side
    912,025.61x = 660,618,097,430.20
  5. Step 5: Solve for x
    x = 660,618,097,430.20/912,025.61
  6. Step 6: Final answer
    x = 724,341.61

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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.