Home / 990,066.93-1,366,058.18-560,347.05

Finding the Fourth Proportional to 990,066.93, 1,366,058.18 and 560,347.05

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Solution

The fourth proportional to 990,066.93, 1,366,058.18 and 560,347.05 is: 773,146.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,066.93 : 1,366,058.18 = 560,347.05 : x
  2. Step 2: Convert to fraction form
    990,066.93/1,366,058.18 = 560,347.05/x
  3. Step 3: Cross multiply
    990,066.93x = 1,366,058.18 × 560,347.05
  4. Step 4: Simplify right side
    990,066.93x = 765,466,671,291.37
  5. Step 5: Solve for x
    x = 765,466,671,291.37/990,066.93
  6. Step 6: Final answer
    x = 773,146.39

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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.