Home / 1,019,145.59-1,406,557.34-657,620.52

Finding the Fourth Proportional to 1,019,145.59, 1,406,557.34 and 657,620.52

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Solution

The fourth proportional to 1,019,145.59, 1,406,557.34 and 657,620.52 is: 907,604.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,145.59 : 1,406,557.34 = 657,620.52 : x
  2. Step 2: Convert to fraction form
    1,019,145.59/1,406,557.34 = 657,620.52/x
  3. Step 3: Cross multiply
    1,019,145.59x = 1,406,557.34 × 657,620.52
  4. Step 4: Simplify right side
    1,019,145.59x = 924,980,966,052.51
  5. Step 5: Solve for x
    x = 924,980,966,052.51/1,019,145.59
  6. Step 6: Final answer
    x = 907,604.35

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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.