Home / 1,145,512.56-1,580,779.80-636,210.48

Finding the Fourth Proportional to 1,145,512.56, 1,580,779.80 and 636,210.48

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Solution

The fourth proportional to 1,145,512.56, 1,580,779.80 and 636,210.48 is: 877,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,512.56 : 1,580,779.80 = 636,210.48 : x
  2. Step 2: Convert to fraction form
    1,145,512.56/1,580,779.80 = 636,210.48/x
  3. Step 3: Cross multiply
    1,145,512.56x = 1,580,779.80 × 636,210.48
  4. Step 4: Simplify right side
    1,145,512.56x = 1,005,708,675,332.30
  5. Step 5: Solve for x
    x = 1,005,708,675,332.30/1,145,512.56
  6. Step 6: Final answer
    x = 877,955.17

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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.