Home / 556,831.20-835,246.80-535,058.40

Finding the Fourth Proportional to 556,831.20, 835,246.80 and 535,058.40

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Solution

The fourth proportional to 556,831.20, 835,246.80 and 535,058.40 is: 802,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,831.20 : 835,246.80 = 535,058.40 : x
  2. Step 2: Convert to fraction form
    556,831.20/835,246.80 = 535,058.40/x
  3. Step 3: Cross multiply
    556,831.20x = 835,246.80 × 535,058.40
  4. Step 4: Simplify right side
    556,831.20x = 446,905,816,413.12
  5. Step 5: Solve for x
    x = 446,905,816,413.12/556,831.20
  6. Step 6: Final answer
    x = 802,587.60

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Similar ratio
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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.