Home / 877,051.15-1,210,330.64-474,643.15

Finding the Fourth Proportional to 877,051.15, 1,210,330.64 and 474,643.15

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Solution

The fourth proportional to 877,051.15, 1,210,330.64 and 474,643.15 is: 655,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,051.15 : 1,210,330.64 = 474,643.15 : x
  2. Step 2: Convert to fraction form
    877,051.15/1,210,330.64 = 474,643.15/x
  3. Step 3: Cross multiply
    877,051.15x = 1,210,330.64 × 474,643.15
  4. Step 4: Simplify right side
    877,051.15x = 574,475,147,511.12
  5. Step 5: Solve for x
    x = 574,475,147,511.12/877,051.15
  6. Step 6: Final answer
    x = 655,007.58

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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.