Home / 912,785.56-1,258,498.92-585,521.56

Finding the Fourth Proportional to 912,785.56, 1,258,498.92 and 585,521.56

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Solution

The fourth proportional to 912,785.56, 1,258,498.92 and 585,521.56 is: 807,285.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,785.56 : 1,258,498.92 = 585,521.56 : x
  2. Step 2: Convert to fraction form
    912,785.56/1,258,498.92 = 585,521.56/x
  3. Step 3: Cross multiply
    912,785.56x = 1,258,498.92 × 585,521.56
  4. Step 4: Simplify right side
    912,785.56x = 736,878,254,665.55
  5. Step 5: Solve for x
    x = 736,878,254,665.55/912,785.56
  6. Step 6: Final answer
    x = 807,285.18

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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.