Home / 626,746.74-864,053.58-430,507.22

Finding the Fourth Proportional to 626,746.74, 864,053.58 and 430,507.22

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Solution

The fourth proportional to 626,746.74, 864,053.58 and 430,507.22 is: 593,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,746.74 : 864,053.58 = 430,507.22 : x
  2. Step 2: Convert to fraction form
    626,746.74/864,053.58 = 430,507.22/x
  3. Step 3: Cross multiply
    626,746.74x = 864,053.58 × 430,507.22
  4. Step 4: Simplify right side
    626,746.74x = 371,981,304,656.85
  5. Step 5: Solve for x
    x = 371,981,304,656.85/626,746.74
  6. Step 6: Final answer
    x = 593,511.35

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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.