Home / 860,036.20-1,186,779.76-506,361.20

Finding the Fourth Proportional to 860,036.20, 1,186,779.76 and 506,361.20

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Solution

The fourth proportional to 860,036.20, 1,186,779.76 and 506,361.20 is: 698,737.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,036.20 : 1,186,779.76 = 506,361.20 : x
  2. Step 2: Convert to fraction form
    860,036.20/1,186,779.76 = 506,361.20/x
  3. Step 3: Cross multiply
    860,036.20x = 1,186,779.76 × 506,361.20
  4. Step 4: Simplify right side
    860,036.20x = 600,939,214,943.61
  5. Step 5: Solve for x
    x = 600,939,214,943.61/860,036.20
  6. Step 6: Final answer
    x = 698,737.12

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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.