Home / 926,894.40-1,390,341.60-454,502.40

Finding the Fourth Proportional to 926,894.40, 1,390,341.60 and 454,502.40

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Solution

The fourth proportional to 926,894.40, 1,390,341.60 and 454,502.40 is: 681,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,894.40 : 1,390,341.60 = 454,502.40 : x
  2. Step 2: Convert to fraction form
    926,894.40/1,390,341.60 = 454,502.40/x
  3. Step 3: Cross multiply
    926,894.40x = 1,390,341.60 × 454,502.40
  4. Step 4: Simplify right side
    926,894.40x = 631,913,594,019.84
  5. Step 5: Solve for x
    x = 631,913,594,019.84/926,894.40
  6. Step 6: Final answer
    x = 681,753.60

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Double scale
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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.