Home / 1,069,603.12-1,604,371.74-438,041.26

Finding the Fourth Proportional to 1,069,603.12, 1,604,371.74 and 438,041.26

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Solution

The fourth proportional to 1,069,603.12, 1,604,371.74 and 438,041.26 is: 657,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,603.12 : 1,604,371.74 = 438,041.26 : x
  2. Step 2: Convert to fraction form
    1,069,603.12/1,604,371.74 = 438,041.26/x
  3. Step 3: Cross multiply
    1,069,603.12x = 1,604,371.74 × 438,041.26
  4. Step 4: Simplify right side
    1,069,603.12x = 702,781,018,497.99
  5. Step 5: Solve for x
    x = 702,781,018,497.99/1,069,603.12
  6. Step 6: Final answer
    x = 657,048.40

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Double scale
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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.