Home / 1,155,075.85-1,593,952.18-638,834.50

Finding the Fourth Proportional to 1,155,075.85, 1,593,952.18 and 638,834.50

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Solution

The fourth proportional to 1,155,075.85, 1,593,952.18 and 638,834.50 is: 881,562.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,075.85 : 1,593,952.18 = 638,834.50 : x
  2. Step 2: Convert to fraction form
    1,155,075.85/1,593,952.18 = 638,834.50/x
  3. Step 3: Cross multiply
    1,155,075.85x = 1,593,952.18 × 638,834.50
  4. Step 4: Simplify right side
    1,155,075.85x = 1,018,271,643,934.21
  5. Step 5: Solve for x
    x = 1,018,271,643,934.21/1,155,075.85
  6. Step 6: Final answer
    x = 881,562.58

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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.