Home / 1,075,988.08-1,484,868.04-617,120.40

Finding the Fourth Proportional to 1,075,988.08, 1,484,868.04 and 617,120.40

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Solution

The fourth proportional to 1,075,988.08, 1,484,868.04 and 617,120.40 is: 851,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,988.08 : 1,484,868.04 = 617,120.40 : x
  2. Step 2: Convert to fraction form
    1,075,988.08/1,484,868.04 = 617,120.40/x
  3. Step 3: Cross multiply
    1,075,988.08x = 1,484,868.04 × 617,120.40
  4. Step 4: Simplify right side
    1,075,988.08x = 916,342,358,792.02
  5. Step 5: Solve for x
    x = 916,342,358,792.02/1,075,988.08
  6. Step 6: Final answer
    x = 851,628.73

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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.