Home / 649,205.61-973,779.19-436,063.32

Finding the Fourth Proportional to 649,205.61, 973,779.19 and 436,063.32

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Solution

The fourth proportional to 649,205.61, 973,779.19 and 436,063.32 is: 654,075.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,205.61 : 973,779.19 = 436,063.32 : x
  2. Step 2: Convert to fraction form
    649,205.61/973,779.19 = 436,063.32/x
  3. Step 3: Cross multiply
    649,205.61x = 973,779.19 × 436,063.32
  4. Step 4: Simplify right side
    649,205.61x = 424,629,386,538.31
  5. Step 5: Solve for x
    x = 424,629,386,538.31/649,205.61
  6. Step 6: Final answer
    x = 654,075.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.