Home / 1,130,779.89-1,560,433.43-647,390.01

Finding the Fourth Proportional to 1,130,779.89, 1,560,433.43 and 647,390.01

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Solution

The fourth proportional to 1,130,779.89, 1,560,433.43 and 647,390.01 is: 893,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,779.89 : 1,560,433.43 = 647,390.01 : x
  2. Step 2: Convert to fraction form
    1,130,779.89/1,560,433.43 = 647,390.01/x
  3. Step 3: Cross multiply
    1,130,779.89x = 1,560,433.43 × 647,390.01
  4. Step 4: Simplify right side
    1,130,779.89x = 1,010,209,015,470.51
  5. Step 5: Solve for x
    x = 1,010,209,015,470.51/1,130,779.89
  6. Step 6: Final answer
    x = 893,373.70

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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.