Home / 632,498.19-872,868.06-346,018.28

Finding the Fourth Proportional to 632,498.19, 872,868.06 and 346,018.28

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Solution

The fourth proportional to 632,498.19, 872,868.06 and 346,018.28 is: 477,516.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,498.19 : 872,868.06 = 346,018.28 : x
  2. Step 2: Convert to fraction form
    632,498.19/872,868.06 = 346,018.28/x
  3. Step 3: Cross multiply
    632,498.19x = 872,868.06 × 346,018.28
  4. Step 4: Simplify right side
    632,498.19x = 302,028,300,423.80
  5. Step 5: Solve for x
    x = 302,028,300,423.80/632,498.19
  6. Step 6: Final answer
    x = 477,516.47

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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.