Home / 849,208.02-1,171,935.12-486,701.40

Finding the Fourth Proportional to 849,208.02, 1,171,935.12 and 486,701.40

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Solution

The fourth proportional to 849,208.02, 1,171,935.12 and 486,701.40 is: 671,664.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,208.02 : 1,171,935.12 = 486,701.40 : x
  2. Step 2: Convert to fraction form
    849,208.02/1,171,935.12 = 486,701.40/x
  3. Step 3: Cross multiply
    849,208.02x = 1,171,935.12 × 486,701.40
  4. Step 4: Simplify right side
    849,208.02x = 570,382,463,613.17
  5. Step 5: Solve for x
    x = 570,382,463,613.17/849,208.02
  6. Step 6: Final answer
    x = 671,664.01

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Double scale
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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.