Home / 914,779.15-1,262,402.69-506,887.80

Finding the Fourth Proportional to 914,779.15, 1,262,402.69 and 506,887.80

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Solution

The fourth proportional to 914,779.15, 1,262,402.69 and 506,887.80 is: 699,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,779.15 : 1,262,402.69 = 506,887.80 : x
  2. Step 2: Convert to fraction form
    914,779.15/1,262,402.69 = 506,887.80/x
  3. Step 3: Cross multiply
    914,779.15x = 1,262,402.69 × 506,887.80
  4. Step 4: Simplify right side
    914,779.15x = 639,896,515,936.17
  5. Step 5: Solve for x
    x = 639,896,515,936.17/914,779.15
  6. Step 6: Final answer
    x = 699,509.30

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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.