Home / 907,435.10-1,361,152.65-623,999.90

Finding the Fourth Proportional to 907,435.10, 1,361,152.65 and 623,999.90

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Solution

The fourth proportional to 907,435.10, 1,361,152.65 and 623,999.90 is: 935,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,435.10 : 1,361,152.65 = 623,999.90 : x
  2. Step 2: Convert to fraction form
    907,435.10/1,361,152.65 = 623,999.90/x
  3. Step 3: Cross multiply
    907,435.10x = 1,361,152.65 × 623,999.90
  4. Step 4: Simplify right side
    907,435.10x = 849,359,117,484.74
  5. Step 5: Solve for x
    x = 849,359,117,484.74/907,435.10
  6. Step 6: Final answer
    x = 935,999.85

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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.