Home / 1,051,746.80-1,575,805.80-489,628.40

Finding the Fourth Proportional to 1,051,746.80, 1,575,805.80 and 489,628.40

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Solution

The fourth proportional to 1,051,746.80, 1,575,805.80 and 489,628.40 is: 733,597.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,746.80 : 1,575,805.80 = 489,628.40 : x
  2. Step 2: Convert to fraction form
    1,051,746.80/1,575,805.80 = 489,628.40/x
  3. Step 3: Cross multiply
    1,051,746.80x = 1,575,805.80 × 489,628.40
  4. Step 4: Simplify right side
    1,051,746.80x = 771,559,272,564.72
  5. Step 5: Solve for x
    x = 771,559,272,564.72/1,051,746.80
  6. Step 6: Final answer
    x = 733,597.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.