Home / 657,192.40-906,580.73-570,957.62

Finding the Fourth Proportional to 657,192.40, 906,580.73 and 570,957.62

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Solution

The fourth proportional to 657,192.40, 906,580.73 and 570,957.62 is: 787,621.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,192.40 : 906,580.73 = 570,957.62 : x
  2. Step 2: Convert to fraction form
    657,192.40/906,580.73 = 570,957.62/x
  3. Step 3: Cross multiply
    657,192.40x = 906,580.73 × 570,957.62
  4. Step 4: Simplify right side
    657,192.40x = 517,619,174,805.44
  5. Step 5: Solve for x
    x = 517,619,174,805.44/657,192.40
  6. Step 6: Final answer
    x = 787,621.98

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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.