Home / 651,507.39-899,113.38-375,762.70

Finding the Fourth Proportional to 651,507.39, 899,113.38 and 375,762.70

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Solution

The fourth proportional to 651,507.39, 899,113.38 and 375,762.70 is: 518,571.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,507.39 : 899,113.38 = 375,762.70 : x
  2. Step 2: Convert to fraction form
    651,507.39/899,113.38 = 375,762.70/x
  3. Step 3: Cross multiply
    651,507.39x = 899,113.38 × 375,762.70
  4. Step 4: Simplify right side
    651,507.39x = 337,853,266,779.36
  5. Step 5: Solve for x
    x = 337,853,266,779.36/651,507.39
  6. Step 6: Final answer
    x = 518,571.66

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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.