Home / 1,415,647.80-1,953,577.44-771,066

Finding the Fourth Proportional to 1,415,647.80, 1,953,577.44 and 771,066

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Solution

The fourth proportional to 1,415,647.80, 1,953,577.44 and 771,066 is: 1,064,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,647.80 : 1,953,577.44 = 771,066 : x
  2. Step 2: Convert to fraction form
    1,415,647.80/1,953,577.44 = 771,066/x
  3. Step 3: Cross multiply
    1,415,647.80x = 1,953,577.44 × 771,066
  4. Step 4: Simplify right side
    1,415,647.80x = 1,506,337,142,351.04
  5. Step 5: Solve for x
    x = 1,506,337,142,351.04/1,415,647.80
  6. Step 6: Final answer
    x = 1,064,062.08

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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.