Home / 898,448.88-1,239,862.08-490,554.24

Finding the Fourth Proportional to 898,448.88, 1,239,862.08 and 490,554.24

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Solution

The fourth proportional to 898,448.88, 1,239,862.08 and 490,554.24 is: 676,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,448.88 : 1,239,862.08 = 490,554.24 : x
  2. Step 2: Convert to fraction form
    898,448.88/1,239,862.08 = 490,554.24/x
  3. Step 3: Cross multiply
    898,448.88x = 1,239,862.08 × 490,554.24
  4. Step 4: Simplify right side
    898,448.88x = 608,219,600,359.22
  5. Step 5: Solve for x
    x = 608,219,600,359.22/898,448.88
  6. Step 6: Final answer
    x = 676,966.28

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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.