Home / 904,888.72-1,248,442.61-512,368.13

Finding the Fourth Proportional to 904,888.72, 1,248,442.61 and 512,368.13

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Solution

The fourth proportional to 904,888.72, 1,248,442.61 and 512,368.13 is: 706,896.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,888.72 : 1,248,442.61 = 512,368.13 : x
  2. Step 2: Convert to fraction form
    904,888.72/1,248,442.61 = 512,368.13/x
  3. Step 3: Cross multiply
    904,888.72x = 1,248,442.61 × 512,368.13
  4. Step 4: Simplify right side
    904,888.72x = 639,662,210,380.39
  5. Step 5: Solve for x
    x = 639,662,210,380.39/904,888.72
  6. Step 6: Final answer
    x = 706,896.00

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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.