Home / 877,050.40-1,210,329.61-474,642.40

Finding the Fourth Proportional to 877,050.40, 1,210,329.61 and 474,642.40

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Solution

The fourth proportional to 877,050.40, 1,210,329.61 and 474,642.40 is: 655,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,050.40 : 1,210,329.61 = 474,642.40 : x
  2. Step 2: Convert to fraction form
    877,050.40/1,210,329.61 = 474,642.40/x
  3. Step 3: Cross multiply
    877,050.40x = 1,210,329.61 × 474,642.40
  4. Step 4: Simplify right side
    877,050.40x = 574,473,743,643.21
  5. Step 5: Solve for x
    x = 574,473,743,643.21/877,050.40
  6. Step 6: Final answer
    x = 655,006.54

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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.