Home / 750,678.20-1,123,943.70-584,790.20

Finding the Fourth Proportional to 750,678.20, 1,123,943.70 and 584,790.20

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Solution

The fourth proportional to 750,678.20, 1,123,943.70 and 584,790.20 is: 875,569.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,678.20 : 1,123,943.70 = 584,790.20 : x
  2. Step 2: Convert to fraction form
    750,678.20/1,123,943.70 = 584,790.20/x
  3. Step 3: Cross multiply
    750,678.20x = 1,123,943.70 × 584,790.20
  4. Step 4: Simplify right side
    750,678.20x = 657,271,261,111.74
  5. Step 5: Solve for x
    x = 657,271,261,111.74/750,678.20
  6. Step 6: Final answer
    x = 875,569.93

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1.5x scale

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.