Home / 714,459.07-1,075,965.49-650,686.15

Finding the Fourth Proportional to 714,459.07, 1,075,965.49 and 650,686.15

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Solution

The fourth proportional to 714,459.07, 1,075,965.49 and 650,686.15 is: 979,924.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,459.07 : 1,075,965.49 = 650,686.15 : x
  2. Step 2: Convert to fraction form
    714,459.07/1,075,965.49 = 650,686.15/x
  3. Step 3: Cross multiply
    714,459.07x = 1,075,965.49 × 650,686.15
  4. Step 4: Simplify right side
    714,459.07x = 700,115,842,220.96
  5. Step 5: Solve for x
    x = 700,115,842,220.96/714,459.07
  6. Step 6: Final answer
    x = 979,924.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.