Home / 901,045.36-1,243,719.30-519,326.20

Finding the Fourth Proportional to 901,045.36, 1,243,719.30 and 519,326.20

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Solution

The fourth proportional to 901,045.36, 1,243,719.30 and 519,326.20 is: 716,829.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,045.36 : 1,243,719.30 = 519,326.20 : x
  2. Step 2: Convert to fraction form
    901,045.36/1,243,719.30 = 519,326.20/x
  3. Step 3: Cross multiply
    901,045.36x = 1,243,719.30 × 519,326.20
  4. Step 4: Simplify right side
    901,045.36x = 645,896,017,935.66
  5. Step 5: Solve for x
    x = 645,896,017,935.66/901,045.36
  6. Step 6: Final answer
    x = 716,829.64

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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.