Home / 859,761.41-1,186,376.40-497,130.35

Finding the Fourth Proportional to 859,761.41, 1,186,376.40 and 497,130.35

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Solution

The fourth proportional to 859,761.41, 1,186,376.40 and 497,130.35 is: 685,985.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,761.41 : 1,186,376.40 = 497,130.35 : x
  2. Step 2: Convert to fraction form
    859,761.41/1,186,376.40 = 497,130.35/x
  3. Step 3: Cross multiply
    859,761.41x = 1,186,376.40 × 497,130.35
  4. Step 4: Simplify right side
    859,761.41x = 589,783,709,031.86
  5. Step 5: Solve for x
    x = 589,783,709,031.86/859,761.41
  6. Step 6: Final answer
    x = 685,985.33

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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.