Home / 907,467.20-1,252,164.52-525,420.18

Finding the Fourth Proportional to 907,467.20, 1,252,164.52 and 525,420.18

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Solution

The fourth proportional to 907,467.20, 1,252,164.52 and 525,420.18 is: 724,998.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,467.20 : 1,252,164.52 = 525,420.18 : x
  2. Step 2: Convert to fraction form
    907,467.20/1,252,164.52 = 525,420.18/x
  3. Step 3: Cross multiply
    907,467.20x = 1,252,164.52 × 525,420.18
  4. Step 4: Simplify right side
    907,467.20x = 657,912,507,488.01
  5. Step 5: Solve for x
    x = 657,912,507,488.01/907,467.20
  6. Step 6: Final answer
    x = 724,998.66

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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.