Home / 1,007,999.24-1,391,038.34-555,290.24

Finding the Fourth Proportional to 1,007,999.24, 1,391,038.34 and 555,290.24

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Solution

The fourth proportional to 1,007,999.24, 1,391,038.34 and 555,290.24 is: 766,300.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,999.24 : 1,391,038.34 = 555,290.24 : x
  2. Step 2: Convert to fraction form
    1,007,999.24/1,391,038.34 = 555,290.24/x
  3. Step 3: Cross multiply
    1,007,999.24x = 1,391,038.34 × 555,290.24
  4. Step 4: Simplify right side
    1,007,999.24x = 772,430,013,667.80
  5. Step 5: Solve for x
    x = 772,430,013,667.80/1,007,999.24
  6. Step 6: Final answer
    x = 766,300.19

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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.