Home / 847,290.08-1,169,258.95-465,316.86

Finding the Fourth Proportional to 847,290.08, 1,169,258.95 and 465,316.86

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Solution

The fourth proportional to 847,290.08, 1,169,258.95 and 465,316.86 is: 642,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,290.08 : 1,169,258.95 = 465,316.86 : x
  2. Step 2: Convert to fraction form
    847,290.08/1,169,258.95 = 465,316.86/x
  3. Step 3: Cross multiply
    847,290.08x = 1,169,258.95 × 465,316.86
  4. Step 4: Simplify right side
    847,290.08x = 544,075,903,140.90
  5. Step 5: Solve for x
    x = 544,075,903,140.90/847,290.08
  6. Step 6: Final answer
    x = 642,136.52

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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.