Home / 993,779.55-1,371,422.34-564,066.86

Finding the Fourth Proportional to 993,779.55, 1,371,422.34 and 564,066.86

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Solution

The fourth proportional to 993,779.55, 1,371,422.34 and 564,066.86 is: 778,415.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,779.55 : 1,371,422.34 = 564,066.86 : x
  2. Step 2: Convert to fraction form
    993,779.55/1,371,422.34 = 564,066.86/x
  3. Step 3: Cross multiply
    993,779.55x = 1,371,422.34 × 564,066.86
  4. Step 4: Simplify right side
    993,779.55x = 773,573,886,200.54
  5. Step 5: Solve for x
    x = 773,573,886,200.54/993,779.55
  6. Step 6: Final answer
    x = 778,415.98

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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.