Home / 877,051.40-1,210,330.99-474,643.40

Finding the Fourth Proportional to 877,051.40, 1,210,330.99 and 474,643.40

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Solution

The fourth proportional to 877,051.40, 1,210,330.99 and 474,643.40 is: 655,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,051.40 : 1,210,330.99 = 474,643.40 : x
  2. Step 2: Convert to fraction form
    877,051.40/1,210,330.99 = 474,643.40/x
  3. Step 3: Cross multiply
    877,051.40x = 1,210,330.99 × 474,643.40
  4. Step 4: Simplify right side
    877,051.40x = 574,475,616,218.97
  5. Step 5: Solve for x
    x = 574,475,616,218.97/877,051.40
  6. Step 6: Final answer
    x = 655,007.92

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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.