Home / 850,075.81-1,173,104.51-468,101.65

Finding the Fourth Proportional to 850,075.81, 1,173,104.51 and 468,101.65

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Solution

The fourth proportional to 850,075.81, 1,173,104.51 and 468,101.65 is: 645,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,075.81 : 1,173,104.51 = 468,101.65 : x
  2. Step 2: Convert to fraction form
    850,075.81/1,173,104.51 = 468,101.65/x
  3. Step 3: Cross multiply
    850,075.81x = 1,173,104.51 × 468,101.65
  4. Step 4: Simplify right side
    850,075.81x = 549,132,154,412.93
  5. Step 5: Solve for x
    x = 549,132,154,412.93/850,075.81
  6. Step 6: Final answer
    x = 645,980.21

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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.