Home / 898,577.96-1,240,088.24-490,717.76

Finding the Fourth Proportional to 898,577.96, 1,240,088.24 and 490,717.76

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Solution

The fourth proportional to 898,577.96, 1,240,088.24 and 490,717.76 is: 677,218.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,577.96 : 1,240,088.24 = 490,717.76 : x
  2. Step 2: Convert to fraction form
    898,577.96/1,240,088.24 = 490,717.76/x
  3. Step 3: Cross multiply
    898,577.96x = 1,240,088.24 × 490,717.76
  4. Step 4: Simplify right side
    898,577.96x = 608,533,323,335.14
  5. Step 5: Solve for x
    x = 608,533,323,335.14/898,577.96
  6. Step 6: Final answer
    x = 677,218.17

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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.