Home / 657,176.24-906,485.64-430,836.32

Finding the Fourth Proportional to 657,176.24, 906,485.64 and 430,836.32

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Solution

The fourth proportional to 657,176.24, 906,485.64 and 430,836.32 is: 594,280.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,176.24 : 906,485.64 = 430,836.32 : x
  2. Step 2: Convert to fraction form
    657,176.24/906,485.64 = 430,836.32/x
  3. Step 3: Cross multiply
    657,176.24x = 906,485.64 × 430,836.32
  4. Step 4: Simplify right side
    657,176.24x = 390,546,937,270.45
  5. Step 5: Solve for x
    x = 390,546,937,270.45/657,176.24
  6. Step 6: Final answer
    x = 594,280.37

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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.