Home / 911,895.13-1,258,376.07-503,975.89

Finding the Fourth Proportional to 911,895.13, 1,258,376.07 and 503,975.89

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Solution

The fourth proportional to 911,895.13, 1,258,376.07 and 503,975.89 is: 695,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,895.13 : 1,258,376.07 = 503,975.89 : x
  2. Step 2: Convert to fraction form
    911,895.13/1,258,376.07 = 503,975.89/x
  3. Step 3: Cross multiply
    911,895.13x = 1,258,376.07 × 503,975.89
  4. Step 4: Simplify right side
    911,895.13x = 634,191,199,832.95
  5. Step 5: Solve for x
    x = 634,191,199,832.95/911,895.13
  6. Step 6: Final answer
    x = 695,465.06

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1.5x scale

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.