Home / 1,031,709.40-1,547,564.10-432,471.40

Finding the Fourth Proportional to 1,031,709.40, 1,547,564.10 and 432,471.40

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Solution

The fourth proportional to 1,031,709.40, 1,547,564.10 and 432,471.40 is: 648,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,709.40 : 1,547,564.10 = 432,471.40 : x
  2. Step 2: Convert to fraction form
    1,031,709.40/1,547,564.10 = 432,471.40/x
  3. Step 3: Cross multiply
    1,031,709.40x = 1,547,564.10 × 432,471.40
  4. Step 4: Simplify right side
    1,031,709.40x = 669,277,212,916.74
  5. Step 5: Solve for x
    x = 669,277,212,916.74/1,031,709.40
  6. Step 6: Final answer
    x = 648,707.10

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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.