Home / 1,210,562.48-1,670,511.39-666,592.10

Finding the Fourth Proportional to 1,210,562.48, 1,670,511.39 and 666,592.10

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Solution

The fourth proportional to 1,210,562.48, 1,670,511.39 and 666,592.10 is: 919,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,562.48 : 1,670,511.39 = 666,592.10 : x
  2. Step 2: Convert to fraction form
    1,210,562.48/1,670,511.39 = 666,592.10/x
  3. Step 3: Cross multiply
    1,210,562.48x = 1,670,511.39 × 666,592.10
  4. Step 4: Simplify right side
    1,210,562.48x = 1,113,549,684,681.74
  5. Step 5: Solve for x
    x = 1,113,549,684,681.74/1,210,562.48
  6. Step 6: Final answer
    x = 919,861.39

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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.