Home / 907,485.80-1,361,228.70-435,093.80

Finding the Fourth Proportional to 907,485.80, 1,361,228.70 and 435,093.80

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Solution

The fourth proportional to 907,485.80, 1,361,228.70 and 435,093.80 is: 652,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,485.80 : 1,361,228.70 = 435,093.80 : x
  2. Step 2: Convert to fraction form
    907,485.80/1,361,228.70 = 435,093.80/x
  3. Step 3: Cross multiply
    907,485.80x = 1,361,228.70 × 435,093.80
  4. Step 4: Simplify right side
    907,485.80x = 592,262,167,752.06
  5. Step 5: Solve for x
    x = 592,262,167,752.06/907,485.80
  6. Step 6: Final answer
    x = 652,640.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.