Home / 713,031.40-1,069,547.10-526,868.20

Finding the Fourth Proportional to 713,031.40, 1,069,547.10 and 526,868.20

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Solution

The fourth proportional to 713,031.40, 1,069,547.10 and 526,868.20 is: 790,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,031.40 : 1,069,547.10 = 526,868.20 : x
  2. Step 2: Convert to fraction form
    713,031.40/1,069,547.10 = 526,868.20/x
  3. Step 3: Cross multiply
    713,031.40x = 1,069,547.10 × 526,868.20
  4. Step 4: Simplify right side
    713,031.40x = 563,510,355,392.22
  5. Step 5: Solve for x
    x = 563,510,355,392.22/713,031.40
  6. Step 6: Final answer
    x = 790,302.30

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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.