Home / 1,168,783.32-1,612,946.16-645,492.36

Finding the Fourth Proportional to 1,168,783.32, 1,612,946.16 and 645,492.36

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Solution

The fourth proportional to 1,168,783.32, 1,612,946.16 and 645,492.36 is: 890,793.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,783.32 : 1,612,946.16 = 645,492.36 : x
  2. Step 2: Convert to fraction form
    1,168,783.32/1,612,946.16 = 645,492.36/x
  3. Step 3: Cross multiply
    1,168,783.32x = 1,612,946.16 × 645,492.36
  4. Step 4: Simplify right side
    1,168,783.32x = 1,041,144,423,371.34
  5. Step 5: Solve for x
    x = 1,041,144,423,371.34/1,168,783.32
  6. Step 6: Final answer
    x = 890,793.36

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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.