Home / 1,223,226.95-1,688,074.05-671,965.89

Finding the Fourth Proportional to 1,223,226.95, 1,688,074.05 and 671,965.89

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Solution

The fourth proportional to 1,223,226.95, 1,688,074.05 and 671,965.89 is: 927,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,226.95 : 1,688,074.05 = 671,965.89 : x
  2. Step 2: Convert to fraction form
    1,223,226.95/1,688,074.05 = 671,965.89/x
  3. Step 3: Cross multiply
    1,223,226.95x = 1,688,074.05 × 671,965.89
  4. Step 4: Simplify right side
    1,223,226.95x = 1,134,328,190,557.89
  5. Step 5: Solve for x
    x = 1,134,328,190,557.89/1,223,226.95
  6. Step 6: Final answer
    x = 927,324.40

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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.