Home / 1,121,444.31-1,547,573.41-637,999.16

Finding the Fourth Proportional to 1,121,444.31, 1,547,573.41 and 637,999.16

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Solution

The fourth proportional to 1,121,444.31, 1,547,573.41 and 637,999.16 is: 880,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,444.31 : 1,547,573.41 = 637,999.16 : x
  2. Step 2: Convert to fraction form
    1,121,444.31/1,547,573.41 = 637,999.16/x
  3. Step 3: Cross multiply
    1,121,444.31x = 1,547,573.41 × 637,999.16
  4. Step 4: Simplify right side
    1,121,444.31x = 987,350,524,690.47
  5. Step 5: Solve for x
    x = 987,350,524,690.47/1,121,444.31
  6. Step 6: Final answer
    x = 880,427.60

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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.