Home / 898,746.44-1,240,263.70-490,848.26

Finding the Fourth Proportional to 898,746.44, 1,240,263.70 and 490,848.26

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Solution

The fourth proportional to 898,746.44, 1,240,263.70 and 490,848.26 is: 677,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,746.44 : 1,240,263.70 = 490,848.26 : x
  2. Step 2: Convert to fraction form
    898,746.44/1,240,263.70 = 490,848.26/x
  3. Step 3: Cross multiply
    898,746.44x = 1,240,263.70 × 490,848.26
  4. Step 4: Simplify right side
    898,746.44x = 608,781,271,657.72
  5. Step 5: Solve for x
    x = 608,781,271,657.72/898,746.44
  6. Step 6: Final answer
    x = 677,367.11

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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.