Home / 778,784.19-1,075,208.67-597,147.15

Finding the Fourth Proportional to 778,784.19, 1,075,208.67 and 597,147.15

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Solution

The fourth proportional to 778,784.19, 1,075,208.67 and 597,147.15 is: 824,436.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,784.19 : 1,075,208.67 = 597,147.15 : x
  2. Step 2: Convert to fraction form
    778,784.19/1,075,208.67 = 597,147.15/x
  3. Step 3: Cross multiply
    778,784.19x = 1,075,208.67 × 597,147.15
  4. Step 4: Simplify right side
    778,784.19x = 642,057,792,945.79
  5. Step 5: Solve for x
    x = 642,057,792,945.79/778,784.19
  6. Step 6: Final answer
    x = 824,436.09

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Double scale
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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.