Home / 778,809.16-1,075,243.20-597,172.18

Finding the Fourth Proportional to 778,809.16, 1,075,243.20 and 597,172.18

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Solution

The fourth proportional to 778,809.16, 1,075,243.20 and 597,172.18 is: 824,470.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,809.16 : 1,075,243.20 = 597,172.18 : x
  2. Step 2: Convert to fraction form
    778,809.16/1,075,243.20 = 597,172.18/x
  3. Step 3: Cross multiply
    778,809.16x = 1,075,243.20 × 597,172.18
  4. Step 4: Simplify right side
    778,809.16x = 642,105,325,774.18
  5. Step 5: Solve for x
    x = 642,105,325,774.18/778,809.16
  6. Step 6: Final answer
    x = 824,470.69

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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.