Home / 934,934.56-1,290,832.08-553,083.68

Finding the Fourth Proportional to 934,934.56, 1,290,832.08 and 553,083.68

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Solution

The fourth proportional to 934,934.56, 1,290,832.08 and 553,083.68 is: 763,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,934.56 : 1,290,832.08 = 553,083.68 : x
  2. Step 2: Convert to fraction form
    934,934.56/1,290,832.08 = 553,083.68/x
  3. Step 3: Cross multiply
    934,934.56x = 1,290,832.08 × 553,083.68
  4. Step 4: Simplify right side
    934,934.56x = 713,938,157,068.46
  5. Step 5: Solve for x
    x = 713,938,157,068.46/934,934.56
  6. Step 6: Final answer
    x = 763,623.67

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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.