Home / 651,897.04-899,619.60-379,944.40

Finding the Fourth Proportional to 651,897.04, 899,619.60 and 379,944.40

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Solution

The fourth proportional to 651,897.04, 899,619.60 and 379,944.40 is: 524,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,897.04 : 899,619.60 = 379,944.40 : x
  2. Step 2: Convert to fraction form
    651,897.04/899,619.60 = 379,944.40/x
  3. Step 3: Cross multiply
    651,897.04x = 899,619.60 × 379,944.40
  4. Step 4: Simplify right side
    651,897.04x = 341,805,429,150.24
  5. Step 5: Solve for x
    x = 341,805,429,150.24/651,897.04
  6. Step 6: Final answer
    x = 524,324.25

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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.