Home / 916,639.74-1,264,976.60-503,210.48

Finding the Fourth Proportional to 916,639.74, 1,264,976.60 and 503,210.48

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Solution

The fourth proportional to 916,639.74, 1,264,976.60 and 503,210.48 is: 694,438.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,639.74 : 1,264,976.60 = 503,210.48 : x
  2. Step 2: Convert to fraction form
    916,639.74/1,264,976.60 = 503,210.48/x
  3. Step 3: Cross multiply
    916,639.74x = 1,264,976.60 × 503,210.48
  4. Step 4: Simplify right side
    916,639.74x = 636,549,473,233.83
  5. Step 5: Solve for x
    x = 636,549,473,233.83/916,639.74
  6. Step 6: Final answer
    x = 694,438.01

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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.