Home / 860,045.67-1,186,885.80-472,877.28

Finding the Fourth Proportional to 860,045.67, 1,186,885.80 and 472,877.28

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Solution

The fourth proportional to 860,045.67, 1,186,885.80 and 472,877.28 is: 652,583.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,045.67 : 1,186,885.80 = 472,877.28 : x
  2. Step 2: Convert to fraction form
    860,045.67/1,186,885.80 = 472,877.28/x
  3. Step 3: Cross multiply
    860,045.67x = 1,186,885.80 × 472,877.28
  4. Step 4: Simplify right side
    860,045.67x = 561,251,328,774.62
  5. Step 5: Solve for x
    x = 561,251,328,774.62/860,045.67
  6. Step 6: Final answer
    x = 652,583.17

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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.