Home / 969,904.16-1,338,509.12-540,184.32

Finding the Fourth Proportional to 969,904.16, 1,338,509.12 and 540,184.32

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Solution

The fourth proportional to 969,904.16, 1,338,509.12 and 540,184.32 is: 745,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,904.16 : 1,338,509.12 = 540,184.32 : x
  2. Step 2: Convert to fraction form
    969,904.16/1,338,509.12 = 540,184.32/x
  3. Step 3: Cross multiply
    969,904.16x = 1,338,509.12 × 540,184.32
  4. Step 4: Simplify right side
    969,904.16x = 723,041,638,801.00
  5. Step 5: Solve for x
    x = 723,041,638,801.00/969,904.16
  6. Step 6: Final answer
    x = 745,477.41

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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.