Home / 860,178.90-1,289,101.95-575,058.90

Finding the Fourth Proportional to 860,178.90, 1,289,101.95 and 575,058.90

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Solution

The fourth proportional to 860,178.90, 1,289,101.95 and 575,058.90 is: 861,808.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,178.90 : 1,289,101.95 = 575,058.90 : x
  2. Step 2: Convert to fraction form
    860,178.90/1,289,101.95 = 575,058.90/x
  3. Step 3: Cross multiply
    860,178.90x = 1,289,101.95 × 575,058.90
  4. Step 4: Simplify right side
    860,178.90x = 741,309,549,354.86
  5. Step 5: Solve for x
    x = 741,309,549,354.86/860,178.90
  6. Step 6: Final answer
    x = 861,808.57

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Double scale
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1.5x scale

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.